22389464 has 16 divisors (see below), whose sum is σ = 42168600. Its totient is φ = 11144512.

The previous prime is 22389427. The next prime is 22389473. The reversal of 22389464 is 46498322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349 + ... + 7980.

Almost surely, 2^22389464 is an apocalyptic number.

It is an amenable number.

22389464 is a deficient number, since it is larger than the sum of its proper divisors (19779136).

22389464 is a wasteful number, since it uses less digits than its factorization.

22389464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12558 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 22389464 is about 4731.7506274105. The cubic root of 22389464 is about 281.8477457208.

The spelling of 22389464 in words is "twenty-two million, three hundred eighty-nine thousand, four hundred sixty-four".