22570555 has 32 divisors (see below), whose sum is σ = 32941440. Its totient is φ = 14515200.

The previous prime is 22570531. The next prime is 22570579. The reversal of 22570555 is 55507522.

It is an interprime number because it is at equal distance from previous prime (22570531) and next prime (22570579).

It is not a de Polignac number, because 22570555 - 2¹³ = 22562363 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 37255 + ... + 37855.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^22570555 is an apocalyptic number.

22570555 is the 3005-th heptagonal number.

22570555 is a deficient number, since it is larger than the sum of its proper divisors (10370885).

22570555 is a wasteful number, since it uses less digits than its factorization.

22570555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 22570555 is about 4750.8478190740. The cubic root of 22570555 is about 282.6055887438.

The spelling of 22570555 in words is "twenty-two million, five hundred seventy thousand, five hundred fifty-five".