22750899 has 4 divisors (see below), whose sum is σ = 30334536. Its totient is φ = 15167264.

The previous prime is 22750883. The next prime is 22750919. The reversal of 22750899 is 99805722.

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 22750899 - 2⁴ = 22750883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22750899.

It is not an unprimeable number, because it can be changed into a prime (22750099) 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, 3791814 + ... + 3791819.

It is an arithmetic number, because the mean of its divisors is an integer number (7583634).

Almost surely, 2^22750899 is an apocalyptic number.

22750899 is a deficient number, since it is larger than the sum of its proper divisors (7583637).

22750899 is an equidigital number, since it uses as much as digits as its factorization.

22750899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583636.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 22750899 is about 4769.7902469606. The cubic root of 22750899 is about 283.3562877212.

The spelling of 22750899 in words is "twenty-two million, seven hundred fifty thousand, eight hundred ninety-nine".