Search a number
-
+
22862985 = 351980221
BaseRepresentation
bin101011100110…
…1110010001001
31121000120010020
41113031302021
521323103420
62134011053
7365221635
oct127156211
947016106
1022862985
11119a6332
1277a6a89
1349765c2
143071dc5
152019340
hex15cdc89

22862985 has 16 divisors (see below), whose sum is σ = 38506560. Its totient is φ = 11551680.

The previous prime is 22862969. The next prime is 22863017. The reversal of 22862985 is 58926822.

It is not a de Polignac number, because 22862985 - 24 = 22862969 is a prime.

It is a super-2 number, since 2×228629852 = 1045432166220450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39826 + ... + 40395.

It is an arithmetic number, because the mean of its divisors is an integer number (2406660).

Almost surely, 222862985 is an apocalyptic number.

It is an amenable number.

22862985 is a deficient number, since it is larger than the sum of its proper divisors (15643575).

22862985 is a wasteful number, since it uses less digits than its factorization.

22862985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80248.

The product of its digits is 138240, while the sum is 42.

The square root of 22862985 is about 4781.5253842263. The cubic root of 22862985 is about 283.8208592205.

The spelling of 22862985 in words is "twenty-two million, eight hundred sixty-two thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 19 57 95 285 80221 240663 401105 1203315 1524199 4572597 7620995 22862985