22345492 has 48 divisors (see below), whose sum is σ = 44255232. Its totient is φ = 9803520.

The previous prime is 22345487. The next prime is 22345493. The reversal of 22345492 is 29454322.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22345493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 100093 + ... + 100315.

It is an arithmetic number, because the mean of its divisors is an integer number (921984).

Almost surely, 2^22345492 is an apocalyptic number.

It is an amenable number.

22345492 is a deficient number, since it is larger than the sum of its proper divisors (21909740).

22345492 is a wasteful number, since it uses less digits than its factorization.

22345492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 22345492 is about 4727.1018605484. The cubic root of 22345492 is about 281.6631122800.

The spelling of 22345492 in words is "twenty-two million, three hundred forty-five thousand, four hundred ninety-two".