22459004538 has 64 divisors (see below), whose sum is σ = 47915981568. Its totient is φ = 6993423360.

The previous prime is 22459004537. The next prime is 22459004569. The reversal of 22459004538 is 83540095422.

It is a self number, because there is not a number n which added to its sum of digits gives 22459004538.

It is not an unprimeable number, because it can be changed into a prime (22459004531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13974931 + ... + 13976537.

It is an arithmetic number, because the mean of its divisors is an integer number (748687212).

Almost surely, 2^22459004538 is an apocalyptic number.

22459004538 is an abundant number, since it is smaller than the sum of its proper divisors (25456977030).

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

22459004538 is a wasteful number, since it uses less digits than its factorization.

22459004538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 22459004538 in words is "twenty-two billion, four hundred fifty-nine million, four thousand, five hundred thirty-eight".