22943465 has 4 divisors (see below), whose sum is σ = 27532164. Its totient is φ = 18354768.

The previous prime is 22943449. The next prime is 22943483. The reversal of 22943465 is 56434922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18156121 + 4787344 = 4261^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 22943465 - 2⁴ = 22943449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294342 + ... + 2294351.

It is an arithmetic number, because the mean of its divisors is an integer number (6883041).

Almost surely, 2^22943465 is an apocalyptic number.

It is an amenable number.

22943465 is a deficient number, since it is larger than the sum of its proper divisors (4588699).

22943465 is an equidigital number, since it uses as much as digits as its factorization.

22943465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588698.

The product of its digits is 51840, while the sum is 35.

The square root of 22943465 is about 4789.9337156165. The cubic root of 22943465 is about 284.1534951837.

The spelling of 22943465 in words is "twenty-two million, nine hundred forty-three thousand, four hundred sixty-five".