22255588 has 12 divisors (see below), whose sum is σ = 39206272. Its totient is φ = 11053800.

The previous prime is 22255577. The next prime is 22255603. The reversal of 22255588 is 88555222.

It is a super-2 number, since 2×22255588² = 990622394451488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17820 + ... + 19027.

Almost surely, 2^22255588 is an apocalyptic number.

It is an amenable number.

22255588 is a deficient number, since it is larger than the sum of its proper divisors (16950684).

22255588 is a wasteful number, since it uses less digits than its factorization.

22255588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002 (or 37000 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The square root of 22255588 is about 4717.5828556582. The cubic root of 22255588 is about 281.2848603374.

The spelling of 22255588 in words is "twenty-two million, two hundred fifty-five thousand, five hundred eighty-eight".