22870889 has 4 divisors (see below), whose sum is σ = 24074640. Its totient is φ = 21667140.

The previous prime is 22870877. The next prime is 22870909. The reversal of 22870889 is 98807822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22870889 - 2⁴ = 22870873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22870849) 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, 601847 + ... + 601884.

It is an arithmetic number, because the mean of its divisors is an integer number (6018660).

Almost surely, 2^22870889 is an apocalyptic number.

It is an amenable number.

22870889 is a deficient number, since it is larger than the sum of its proper divisors (1203751).

22870889 is a wasteful number, since it uses less digits than its factorization.

22870889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203750.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 22870889 is about 4782.3518272917. The cubic root of 22870889 is about 283.8535621769.

It can be divided in two parts, 228 and 70889, that added together give a palindrome (71117).

The spelling of 22870889 in words is "twenty-two million, eight hundred seventy thousand, eight hundred eighty-nine".