22522242400 has 108 divisors (see below), whose sum is σ = 63959257908. Its totient is φ = 7721898240.

The previous prime is 22522242383. The next prime is 22522242427. The reversal of 22522242400 is 424222522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 248074 + ... + 326473.

It is an arithmetic number, because the mean of its divisors is an integer number (592215351).

Almost surely, 2^22522242400 is an apocalyptic number.

22522242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22522242400 is an abundant number, since it is smaller than the sum of its proper divisors (41437015508).

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

22522242400 is a wasteful number, since it uses less digits than its factorization.

22522242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574581 (or 574561 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22522242400 its reverse (424222522), we get a palindrome (22946464922).

The spelling of 22522242400 in words is "twenty-two billion, five hundred twenty-two million, two hundred forty-two thousand, four hundred".