22570737 has 16 divisors (see below), whose sum is σ = 34470912. Its totient is φ = 12868560.

The previous prime is 22570693. The next prime is 22570741. The reversal of 22570737 is 73707522.

It is not a de Polignac number, because 22570737 - 2⁷ = 22570609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22570698 and 22570707.

It is not an unprimeable number, because it can be changed into a prime (22570637) by changing a digit.

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, 11412 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (2154432).

Almost surely, 2^22570737 is an apocalyptic number.

It is an amenable number.

22570737 is a deficient number, since it is larger than the sum of its proper divisors (11900175).

22570737 is a wasteful number, since it uses less digits than its factorization.

22570737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 22570737 is about 4750.8669735113. The cubic root of 22570737 is about 282.6063483482.

The spelling of 22570737 in words is "twenty-two million, five hundred seventy thousand, seven hundred thirty-seven".