22565075 has 12 divisors (see below), whose sum is σ = 30133488. Its totient is φ = 16663200.

The previous prime is 22565041. The next prime is 22565107. The reversal of 22565075 is 57056522.

It is a de Polignac number, because none of the positive numbers 2^k-22565075 is a prime.

It is a super-3 number, since 3×22565075³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34391 + ... + 35040.

It is an arithmetic number, because the mean of its divisors is an integer number (2511124).

Almost surely, 2^22565075 is an apocalyptic number.

22565075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22565075 is a deficient number, since it is larger than the sum of its proper divisors (7568413).

22565075 is a wasteful number, since it uses less digits than its factorization.

22565075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69454 (or 69449 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 22565075 is about 4750.2710448984. The cubic root of 22565075 is about 282.5827152259.

The spelling of 22565075 in words is "twenty-two million, five hundred sixty-five thousand, seventy-five".