22362889 has 4 divisors (see below), whose sum is σ = 22381380. Its totient is φ = 22344400.

The previous prime is 22362887. The next prime is 22362937. The reversal of 22362889 is 98826322.

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 8732025 + 13630864 = 2955^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 22362889 - 2¹ = 22362887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22362887) 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, 7294 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (5595345).

Almost surely, 2^22362889 is an apocalyptic number.

It is an amenable number.

22362889 is a deficient number, since it is larger than the sum of its proper divisors (18491).

22362889 is a wasteful number, since it uses less digits than its factorization.

22362889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490.

The product of its digits is 82944, while the sum is 40.

The square root of 22362889 is about 4728.9416363495. The cubic root of 22362889 is about 281.7361892429.

The spelling of 22362889 in words is "twenty-two million, three hundred sixty-two thousand, eight hundred eighty-nine".