22498028 has 12 divisors (see below), whose sum is σ = 44996112. Its totient is φ = 9642000.

The previous prime is 22498027. The next prime is 22498031. The reversal of 22498028 is 82089422.

22498028 is an admirable number.

It is a super-2 number, since 2×22498028² = 1012322527777568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22498027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401723 + ... + 401778.

It is an arithmetic number, because the mean of its divisors is an integer number (3749676).

Almost surely, 2^22498028 is an apocalyptic number.

22498028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22498028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22498028 is a wasteful number, since it uses less digits than its factorization.

22498028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803512 (or 803510 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 22498028 is about 4743.2086186462. The cubic root of 22498028 is about 282.3025607653.

The spelling of 22498028 in words is "twenty-two million, four hundred ninety-eight thousand, twenty-eight".