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222023130 = 23572936457
BaseRepresentation
bin11010011101111…
…00110111011010
3120110202221110220
431032330313122
5423314220010
634010420510
75334110520
oct1516746732
9513687426
10222023130
1110436529a
1262431736
1336cc8544
14216b6310
1514759970
hexd3bcdda

222023130 has 64 divisors (see below), whose sum is σ = 629994240. Its totient is φ = 48996864.

The previous prime is 222023129. The next prime is 222023141. The reversal of 222023130 is 31320222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12139 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (9843660).

Almost surely, 2222023130 is an apocalyptic number.

222023130 is an abundant number, since it is smaller than the sum of its proper divisors (407971110).

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

222023130 is a wasteful number, since it uses less digits than its factorization.

222023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36503.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222023130 is about 14900.4405975125. The cubic root of 222023130 is about 605.5259229422.

Adding to 222023130 its reverse (31320222), we get a palindrome (253343352).

The spelling of 222023130 in words is "two hundred twenty-two million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 609 870 1015 1218 2030 3045 6090 36457 72914 109371 182285 218742 255199 364570 510398 546855 765597 1057253 1093710 1275995 1531194 2114506 2551990 3171759 3827985 5286265 6343518 7400771 7655970 10572530 14801542 15858795 22202313 31717590 37003855 44404626 74007710 111011565 222023130