22550242400 has 72 divisors (see below), whose sum is σ = 62915191920. Its totient is φ = 7731509760.

The previous prime is 22550242387. The next prime is 22550242409. The reversal of 22550242400 is 424205522.

It is a self number, because there is not a number n which added to its sum of digits gives 22550242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550242409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007815 + ... + 2019014.

It is an arithmetic number, because the mean of its divisors is an integer number (873822110).

Almost surely, 2^22550242400 is an apocalyptic number.

22550242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22550242400 is an abundant number, since it is smaller than the sum of its proper divisors (40364949520).

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

22550242400 is a wasteful number, since it uses less digits than its factorization.

22550242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026856 (or 4026843 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 22550242400 its reverse (424205522), we get a palindrome (22974447922).

The spelling of 22550242400 in words is "twenty-two billion, five hundred fifty million, two hundred forty-two thousand, four hundred".