22855557 has 8 divisors (see below), whose sum is σ = 30679200. Its totient is φ = 15134480.

The previous prime is 22855523. The next prime is 22855571. The reversal of 22855557 is 75555822.

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

It is a cyclic number.

It is not a de Polignac number, because 22855557 - 2¹⁹ = 22331269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25119 + ... + 26012.

It is an arithmetic number, because the mean of its divisors is an integer number (3834900).

Almost surely, 2^22855557 is an apocalyptic number.

It is an amenable number.

22855557 is a deficient number, since it is larger than the sum of its proper divisors (7823643).

22855557 is a wasteful number, since it uses less digits than its factorization.

22855557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51283.

The product of its digits is 140000, while the sum is 39.

The square root of 22855557 is about 4780.7485815508. The cubic root of 22855557 is about 283.7901188528.

The spelling of 22855557 in words is "twenty-two million, eight hundred fifty-five thousand, five hundred fifty-seven".