22359090 has 32 divisors (see below), whose sum is σ = 57790656. Its totient is φ = 5503680.

The previous prime is 22359083. The next prime is 22359109. The reversal of 22359090 is 9095322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 28276 + ... + 29055.

It is an arithmetic number, because the mean of its divisors is an integer number (1805958).

Almost surely, 2^22359090 is an apocalyptic number.

22359090 is an abundant number, since it is smaller than the sum of its proper divisors (35431566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22359090 is a wasteful number, since it uses less digits than its factorization.

22359090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57354.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 22359090 is about 4728.5399437881. The cubic root of 22359090 is about 281.7202345899.

It can be divided in two parts, 2235 and 9090, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 22359090 in words is "twenty-two million, three hundred fifty-nine thousand, ninety".