22520521454 has 16 divisors (see below), whose sum is σ = 35812934016. Its totient is φ = 10602511200.

The previous prime is 22520521421. The next prime is 22520521459. The reversal of 22520521454 is 45412502522.

It is a self number, because there is not a number n which added to its sum of digits gives 22520521454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520521459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4906277 + ... + 4910864.

It is an arithmetic number, because the mean of its divisors is an integer number (2238308376).

Almost surely, 2^22520521454 is an apocalyptic number.

22520521454 is a deficient number, since it is larger than the sum of its proper divisors (13292412562).

22520521454 is a wasteful number, since it uses less digits than its factorization.

22520521454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817211.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 22520521454 in words is "twenty-two billion, five hundred twenty million, five hundred twenty-one thousand, four hundred fifty-four".