22885557 has 16 divisors (see below), whose sum is σ = 32248320. Its totient is φ = 14396400.

The previous prime is 22885543. The next prime is 22885561. The reversal of 22885557 is 75558822.

It is not a de Polignac number, because 22885557 - 2⁸ = 22885301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22885517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17082 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (2015520).

Almost surely, 2^22885557 is an apocalyptic number.

It is an amenable number.

22885557 is a deficient number, since it is larger than the sum of its proper divisors (9362763).

22885557 is a wasteful number, since it uses less digits than its factorization.

22885557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 224000, while the sum is 42.

The square root of 22885557 is about 4783.8851365809. The cubic root of 22885557 is about 283.9142313574.

The spelling of 22885557 in words is "twenty-two million, eight hundred eighty-five thousand, five hundred fifty-seven".