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22116885 = 357230091
BaseRepresentation
bin101010001011…
…1101000010101
31112121122122220
41110113220111
521130220020
62110012553
7355663500
oct124275025
945548586
1022116885
111153681a
1274a7159
134774b1b
142d1a137
151e1d240
hex1517a15

22116885 has 24 divisors (see below), whose sum is σ = 41165856. Its totient is φ = 10110240.

The previous prime is 22116859. The next prime is 22116889. The reversal of 22116885 is 58861122.

It is not a de Polignac number, because 22116885 - 213 = 22108693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14311 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (1715244).

Almost surely, 222116885 is an apocalyptic number.

It is an amenable number.

22116885 is a deficient number, since it is larger than the sum of its proper divisors (19048971).

22116885 is a wasteful number, since it uses less digits than its factorization.

22116885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30113 (or 30106 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 22116885 is about 4702.8592366772. The cubic root of 22116885 is about 280.6992937423.

The spelling of 22116885 in words is "twenty-two million, one hundred sixteen thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 735 30091 90273 150455 210637 451365 631911 1053185 1474459 3159555 4423377 7372295 22116885