22745995 has 4 divisors (see below), whose sum is σ = 27295200. Its totient is φ = 18196792.

The previous prime is 22745977. The next prime is 22746007. The reversal of 22745995 is 59954722.

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 22745995 - 2¹⁹ = 22221707 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2274595 + ... + 2274604.

It is an arithmetic number, because the mean of its divisors is an integer number (6823800).

Almost surely, 2^22745995 is an apocalyptic number.

22745995 is a deficient number, since it is larger than the sum of its proper divisors (4549205).

22745995 is an equidigital number, since it uses as much as digits as its factorization.

22745995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549204.

The product of its digits is 226800, while the sum is 43.

The square root of 22745995 is about 4769.2761505285. The cubic root of 22745995 is about 283.3359269274.

The spelling of 22745995 in words is "twenty-two million, seven hundred forty-five thousand, nine hundred ninety-five".