22502457404 has 48 divisors (see below), whose sum is σ = 46204494336. Its totient is φ = 9389640000.

The previous prime is 22502457379. The next prime is 22502457433. The reversal of 22502457404 is 40475420522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136529 + ... + 252279.

It is an arithmetic number, because the mean of its divisors is an integer number (962593632).

Almost surely, 2^22502457404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502457404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23102247168).

22502457404 is an abundant number, since it is smaller than the sum of its proper divisors (23702036932).

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

22502457404 is a wasteful number, since it uses less digits than its factorization.

22502457404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115946 (or 115944 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

Adding to 22502457404 its reverse (40475420522), we get a palindrome (62977877926).

The spelling of 22502457404 in words is "twenty-two billion, five hundred two million, four hundred fifty-seven thousand, four hundred four".