22497136 has 10 divisors (see below), whose sum is σ = 43588232. Its totient is φ = 11248560.

The previous prime is 22497133. The next prime is 22497169. The reversal of 22497136 is 63179422.

It is a super-2 number, since 2×22497136² = 1012242256404992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22497133) by changing a digit.

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 as a sum of consecutive naturals, namely, 703020 + ... + 703051.

Almost surely, 2^22497136 is an apocalyptic number.

It is an amenable number.

22497136 is a deficient number, since it is larger than the sum of its proper divisors (21091096).

22497136 is a wasteful number, since it uses less digits than its factorization.

22497136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406079 (or 1406073 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 22497136 is about 4743.1145885378. The cubic root of 22497136 is about 282.2988298130.

The spelling of 22497136 in words is "twenty-two million, four hundred ninety-seven thousand, one hundred thirty-six".