22945331 has 4 divisors (see below), whose sum is σ = 24153000. Its totient is φ = 21737664.

The previous prime is 22945327. The next prime is 22945339. The reversal of 22945331 is 13354922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22945331 - 2² = 22945327 is a prime.

It is a super-2 number, since 2×22945331² = 1052976429399122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22945294 and 22945303.

It is not an unprimeable number, because it can be changed into a prime (22945339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603806 + ... + 603843.

It is an arithmetic number, because the mean of its divisors is an integer number (6038250).

Almost surely, 2^22945331 is an apocalyptic number.

22945331 is a deficient number, since it is larger than the sum of its proper divisors (1207669).

22945331 is a wasteful number, since it uses less digits than its factorization.

22945331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207668.

The product of its digits is 6480, while the sum is 29.

The square root of 22945331 is about 4790.1284951450. The cubic root of 22945331 is about 284.1611984091.

The spelling of 22945331 in words is "twenty-two million, nine hundred forty-five thousand, three hundred thirty-one".