22528591490 has 16 divisors (see below), whose sum is σ = 40554267840. Its totient is φ = 9010813680.

The previous prime is 22528591489. The next prime is 22528591543. The reversal of 22528591490 is 9419582522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91595 + ... + 231185.

It is an arithmetic number, because the mean of its divisors is an integer number (2534641740).

Almost surely, 2^22528591490 is an apocalyptic number.

22528591490 is a deficient number, since it is larger than the sum of its proper divisors (18025676350).

22528591490 is a wasteful number, since it uses less digits than its factorization.

22528591490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155737.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 22528591490 in words is "twenty-two billion, five hundred twenty-eight million, five hundred ninety-one thousand, four hundred ninety".