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22233210031 = 191917977687
BaseRepresentation
bin10100101101001100…
…111101110010101111
32010101110201002111101
4110231030331302233
5331013200210111
614114102503531
71414650111214
oct245514756257
963343632441
1022233210031
11947a08184a
124385a34ba7
1321342663a6
14110cb29b0b
158a1d47bc1
hex52d33dcaf

22233210031 has 16 divisors (see below), whose sum is σ = 23558492160. Its totient is φ = 20923751520.

The previous prime is 22233210017. The next prime is 22233210067. The reversal of 22233210031 is 13001233222.

It is not a de Polignac number, because 22233210031 - 29 = 22233209519 is a prime.

It is a super-3 number, since 3×222332100313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 22233209990 and 22233210008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233210001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2888470 + ... + 2896156.

It is an arithmetic number, because the mean of its divisors is an integer number (1472405760).

Almost surely, 222233210031 is an apocalyptic number.

22233210031 is a deficient number, since it is larger than the sum of its proper divisors (1325282129).

22233210031 is a wasteful number, since it uses less digits than its factorization.

22233210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22233210031 its reverse (13001233222), we get a palindrome (35234443253).

The spelling of 22233210031 in words is "twenty-two billion, two hundred thirty-three million, two hundred ten thousand, thirty-one".

Divisors: 1 19 191 797 3629 7687 15143 146053 152227 1468217 2892313 6126539 27896123 116404241 1170168949 22233210031