22752479 has 4 divisors (see below), whose sum is σ = 22787976. Its totient is φ = 22716984.

The previous prime is 22752469. The next prime is 22752487. The reversal of 22752479 is 97425722.

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 22752479 - 2¹⁶ = 22686943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752469) 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, 16769 + ... + 18074.

It is an arithmetic number, because the mean of its divisors is an integer number (5696994).

Almost surely, 2^22752479 is an apocalyptic number.

22752479 is a deficient number, since it is larger than the sum of its proper divisors (35497).

22752479 is an equidigital number, since it uses as much as digits as its factorization.

22752479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35496.

The product of its digits is 70560, while the sum is 38.

The square root of 22752479 is about 4769.9558698168. The cubic root of 22752479 is about 283.3628470601.

The spelling of 22752479 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred seventy-nine".