22645634 has 32 divisors (see below), whose sum is σ = 38368512. Its totient is φ = 10018800.

The previous prime is 22645627. The next prime is 22645657. The reversal of 22645634 is 43654622.

It is a self number, because there is not a number n which added to its sum of digits gives 22645634.

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 15 ways as a sum of consecutive naturals, for example, 125024 + ... + 125204.

It is an arithmetic number, because the mean of its divisors is an integer number (1199016).

Almost surely, 2^22645634 is an apocalyptic number.

22645634 is a deficient number, since it is larger than the sum of its proper divisors (15722878).

22645634 is a wasteful number, since it uses less digits than its factorization.

22645634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 241 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 22645634 is about 4758.7429012293. The cubic root of 22645634 is about 282.9185962891.

The spelling of 22645634 in words is "twenty-two million, six hundred forty-five thousand, six hundred thirty-four".