22553304144 has 80 divisors (see below), whose sum is σ = 67110371328. Its totient is φ = 6393050496.

The previous prime is 22553304121. The next prime is 22553304181. The reversal of 22553304144 is 44140335522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221592 + ... + 306935.

Almost surely, 2^22553304144 is an apocalyptic number.

22553304144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22553304144 is an abundant number, since it is smaller than the sum of its proper divisors (44557067184).

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

22553304144 is a wasteful number, since it uses less digits than its factorization.

22553304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528672 (or 528666 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22553304144 its reverse (44140335522), we get a palindrome (66693639666).

The spelling of 22553304144 in words is "twenty-two billion, five hundred fifty-three million, three hundred four thousand, one hundred forty-four".