22951889 has 4 divisors (see below), whose sum is σ = 22968756. Its totient is φ = 22935024.

The previous prime is 22951801. The next prime is 22951891. The reversal of 22951889 is 98815922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8761600 + 14190289 = 2960^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 22951889 - 2²⁰ = 21903313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22956889) 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, 6194 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (5742189).

Almost surely, 2^22951889 is an apocalyptic number.

It is an amenable number.

22951889 is a deficient number, since it is larger than the sum of its proper divisors (16867).

22951889 is a wasteful number, since it uses less digits than its factorization.

22951889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16866.

The product of its digits is 103680, while the sum is 44.

The square root of 22951889 is about 4790.8129790256. The cubic root of 22951889 is about 284.1882678469.

The spelling of 22951889 in words is "twenty-two million, nine hundred fifty-one thousand, eight hundred eighty-nine".