22734945 has 32 divisors (see below), whose sum is σ = 40924800. Its totient is φ = 11973312.

The previous prime is 22734941. The next prime is 22734947. The reversal of 22734945 is 54943722.

It is not a de Polignac number, because 22734945 - 2² = 22734941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22734941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10191 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (1278900).

Almost surely, 2^22734945 is an apocalyptic number.

It is an amenable number.

22734945 is a deficient number, since it is larger than the sum of its proper divisors (18189855).

22734945 is a wasteful number, since it uses less digits than its factorization.

22734945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2120 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22734945 is about 4768.1175530811. The cubic root of 22734945 is about 283.2900379827.

The spelling of 22734945 in words is "twenty-two million, seven hundred thirty-four thousand, nine hundred forty-five".