22750979 has 4 divisors (see below), whose sum is σ = 23740176. Its totient is φ = 21761784.

The previous prime is 22750963. The next prime is 22751009. The reversal of 22750979 is 97905722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97905722 = 2 ⋅48952861.

It is a cyclic number.

It is not a de Polignac number, because 22750979 - 2⁴ = 22750963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22750919) 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, 494564 + ... + 494609.

It is an arithmetic number, because the mean of its divisors is an integer number (5935044).

Almost surely, 2^22750979 is an apocalyptic number.

22750979 is a deficient number, since it is larger than the sum of its proper divisors (989197).

22750979 is an equidigital number, since it uses as much as digits as its factorization.

22750979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989196.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 22750979 is about 4769.7986330662. The cubic root of 22750979 is about 283.3566198469.

The spelling of 22750979 in words is "twenty-two million, seven hundred fifty thousand, nine hundred seventy-nine".