22322945 has 16 divisors (see below), whose sum is σ = 28131840. Its totient is φ = 16982400.

The previous prime is 22322939. The next prime is 22322957. The reversal of 22322945 is 54922322.

It is not a de Polignac number, because 22322945 - 2⁸ = 22322689 is a prime.

It is a super-3 number, since 3×22322945³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7925 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (1758240).

Almost surely, 2^22322945 is an apocalyptic number.

It is an amenable number.

22322945 is a deficient number, since it is larger than the sum of its proper divisors (5808895).

22322945 is a wasteful number, since it uses less digits than its factorization.

22322945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536.

The product of its digits is 8640, while the sum is 29.

The square root of 22322945 is about 4724.7163936050. The cubic root of 22322945 is about 281.5683460312.

The spelling of 22322945 in words is "twenty-two million, three hundred twenty-two thousand, nine hundred forty-five".