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22074012930 = 2355337193733
BaseRepresentation
bin10100100011101101…
…101011010100000010
32002222101011001010110
4110203231223110002
5330201421403210
614050214412150
71411005004554
oct244355532402
962871131113
1022074012930
1193a82286a2
124340661056
13210a297218
1410d59294d4
15892d9d420
hex523b6b502

22074012930 has 64 divisors (see below), whose sum is σ = 54006186240. Its totient is φ = 5772239616.

The previous prime is 22074012841. The next prime is 22074012931. The reversal of 22074012930 is 3921047022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22074012931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5911344 + ... + 5915076.

It is an arithmetic number, because the mean of its divisors is an integer number (843846660).

Almost surely, 222074012930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22074012930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27003093120).

22074012930 is an abundant number, since it is smaller than the sum of its proper divisors (31932173310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22074012930 is a wasteful number, since it uses less digits than its factorization.

22074012930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 22074012930 its reverse (3921047022), we get a palindrome (25995059952).

The spelling of 22074012930 in words is "twenty-two billion, seventy-four million, twelve thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 3719 3733 7438 7466 11157 11199 18595 18665 22314 22398 37190 37330 55785 55995 111570 111990 197107 197849 394214 395698 591321 593547 985535 989245 1182642 1187094 1971070 1978490 2956605 2967735 5913210 5935470 13883027 27766054 41649081 69415135 83298162 138830270 208245405 416490810 735800431 1471600862 2207401293 3679002155 4414802586 7358004310 11037006465 22074012930