22555044 has 24 divisors (see below), whose sum is σ = 58476320. Its totient is φ = 7518312.

The previous prime is 22555037. The next prime is 22555063. The reversal of 22555044 is 44055522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22554999 and 22555017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104314 + ... + 104529.

Almost surely, 2^22555044 is an apocalyptic number.

It is an amenable number.

22555044 is an abundant number, since it is smaller than the sum of its proper divisors (35921276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22555044 is a wasteful number, since it uses less digits than its factorization.

22555044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208856 (or 208848 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 22555044 is about 4749.2150930443. The cubic root of 22555044 is about 282.5408362404.

The spelling of 22555044 in words is "twenty-two million, five hundred fifty-five thousand, forty-four".