22736464 has 40 divisors (see below), whose sum is σ = 47988000. Its totient is φ = 10394496.

The previous prime is 22736459. The next prime is 22736473. The reversal of 22736464 is 46463722.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7527 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (1199700).

Almost surely, 2^22736464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22736464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23994000).

22736464 is an abundant number, since it is smaller than the sum of its proper divisors (25251536).

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

22736464 is a wasteful number, since it uses less digits than its factorization.

22736464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2629 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 22736464 is about 4768.2768376008. The cubic root of 22736464 is about 283.2963470367.

It can be divided in two parts, 22736 and 464, that multiplied together give a square (10549504 = 3248²).

The spelling of 22736464 in words is "twenty-two million, seven hundred thirty-six thousand, four hundred sixty-four".