22570557 has 8 divisors (see below), whose sum is σ = 30119520. Its totient is φ = 15034320.

The previous prime is 22570531. The next prime is 22570579. The reversal of 22570557 is 75507522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22570557 - 2¹² = 22566461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22577557) 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 7 ways as a sum of consecutive naturals, for example, 2319 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (3764940).

Almost surely, 2^22570557 is an apocalyptic number.

It is an amenable number.

22570557 is a deficient number, since it is larger than the sum of its proper divisors (7548963).

22570557 is a wasteful number, since it uses less digits than its factorization.

22570557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 22570557 is about 4750.8480295627. The cubic root of 22570557 is about 282.6055970911.

The spelling of 22570557 in words is "twenty-two million, five hundred seventy thousand, five hundred fifty-seven".