22408087 has 16 divisors (see below), whose sum is σ = 25572960. Its totient is φ = 19464192.

The previous prime is 22408079. The next prime is 22408103. The reversal of 22408087 is 78080422.

It is a cyclic number.

It is not a de Polignac number, because 22408087 - 2³ = 22408079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63303 + ... + 63655.

It is an arithmetic number, because the mean of its divisors is an integer number (1598310).

Almost surely, 2^22408087 is an apocalyptic number.

22408087 is a deficient number, since it is larger than the sum of its proper divisors (3164873).

22408087 is a wasteful number, since it uses less digits than its factorization.

22408087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 22408087 is about 4733.7180946905. The cubic root of 22408087 is about 281.9258687158.

The spelling of 22408087 in words is "twenty-two million, four hundred eight thousand, eighty-seven".