22520090 has 8 divisors (see below), whose sum is σ = 40536180. Its totient is φ = 9008032.

The previous prime is 22520083. The next prime is 22520131. The reversal of 22520090 is 9002522.

It can be written as a sum of positive squares in 2 ways, for example, as 22344529 + 175561 = 4727^2 + 419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125995 + ... + 1126014.

Almost surely, 2^22520090 is an apocalyptic number.

22520090 is a deficient number, since it is larger than the sum of its proper divisors (18016090).

22520090 is a wasteful number, since it uses less digits than its factorization.

22520090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252016.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22520090 is about 4745.5336896918. The cubic root of 22520090 is about 282.3948077301.

The spelling of 22520090 in words is "twenty-two million, five hundred twenty thousand, ninety".