22397464 has 16 divisors (see below), whose sum is σ = 42046200. Its totient is φ = 11185152.

The previous prime is 22397461. The next prime is 22397471. The reversal of 22397464 is 46479322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22397461) 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, 10279 + ... + 12265.

Almost surely, 2^22397464 is an apocalyptic number.

It is an amenable number.

22397464 is a deficient number, since it is larger than the sum of its proper divisors (19648736).

22397464 is a wasteful number, since it uses less digits than its factorization.

22397464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3398 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 22397464 is about 4732.5959049976. The cubic root of 22397464 is about 281.8813108159.

The spelling of 22397464 in words is "twenty-two million, three hundred ninety-seven thousand, four hundred sixty-four".