22254008 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 9494880.

The previous prime is 22253993. The next prime is 22254017. The reversal of 22254008 is 80045222.

It is a congruent number.

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, 13973 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^22254008 is an apocalyptic number.

22254008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22254008 is an abundant number, since it is smaller than the sum of its proper divisors (25646152).

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

22254008 is a wasteful number, since it uses less digits than its factorization.

22254008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22254008 is about 4717.4153940479. The cubic root of 22254008 is about 281.2782037231.

The spelling of 22254008 in words is "twenty-two million, two hundred fifty-four thousand, eight".