22497498 has 12 divisors (see below), whose sum is σ = 48744618. Its totient is φ = 7499160.

The previous prime is 22497487. The next prime is 22497529. The reversal of 22497498 is 89479422.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 567009 = 4683^2 + 753^2 .

It is a super-2 number, since 2×22497498² = 1012274832520008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624913 + ... + 624948.

Almost surely, 2^22497498 is an apocalyptic number.

22497498 is an abundant number, since it is smaller than the sum of its proper divisors (26247120).

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

22497498 is a wasteful number, since it uses less digits than its factorization.

22497498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249869 (or 1249866 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22497498 is about 4743.1527489635. The cubic root of 22497498 is about 282.3003439558.

The spelling of 22497498 in words is "twenty-two million, four hundred ninety-seven thousand, four hundred ninety-eight".