22352090 has 32 divisors (see below), whose sum is σ = 42318720. Its totient is φ = 8483904.

The previous prime is 22352051. The next prime is 22352101. The reversal of 22352090 is 9025322.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35801 + ... + 36419.

It is an arithmetic number, because the mean of its divisors is an integer number (1322460).

Almost surely, 2^22352090 is an apocalyptic number.

22352090 is a deficient number, since it is larger than the sum of its proper divisors (19966630).

22352090 is a wasteful number, since it uses less digits than its factorization.

22352090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 22352090 is about 4727.7996996489. The cubic root of 22352090 is about 281.6908319700.

The spelling of 22352090 in words is "twenty-two million, three hundred fifty-two thousand, ninety".