22624998 has 16 divisors (see below), whose sum is σ = 49363776. Its totient is φ = 6856040.

The previous prime is 22624997. The next prime is 22625003. The reversal of 22624998 is 89942622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22624997) 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, 171336 + ... + 171467.

It is an arithmetic number, because the mean of its divisors is an integer number (3085236).

Almost surely, 2^22624998 is an apocalyptic number.

22624998 is an abundant number, since it is smaller than the sum of its proper divisors (26738778).

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

22624998 is a wasteful number, since it uses less digits than its factorization.

22624998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342819.

The product of its digits is 124416, while the sum is 42.

The square root of 22624998 is about 4756.5741873748. The cubic root of 22624998 is about 282.8326329572.

It can be divided in two parts, 2262 and 4998, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 22624998 in words is "twenty-two million, six hundred twenty-four thousand, nine hundred ninety-eight".