22734816 has 48 divisors (see below), whose sum is σ = 64273104. Its totient is φ = 6994944.

The previous prime is 22734799. The next prime is 22734847. The reversal of 22734816 is 61843722.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7861 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (1339023).

Almost surely, 2^22734816 is an apocalyptic number.

22734816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22734816 is an abundant number, since it is smaller than the sum of its proper divisors (41538288).

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

22734816 is a wasteful number, since it uses less digits than its factorization.

22734816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243 (or 18235 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 22734816 is about 4768.1040257108. The cubic root of 22734816 is about 283.2895021778.

The spelling of 22734816 in words is "twenty-two million, seven hundred thirty-four thousand, eight hundred sixteen".