22144255600 has 30 divisors (see below), whose sum is σ = 53201575040. Its totient is φ = 8857702080.

The previous prime is 22144255577. The next prime is 22144255613. The reversal of 22144255600 is 655244122.

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 5 ways as a sum of consecutive naturals, for example, 27679920 + ... + 27680719.

Almost surely, 2^22144255600 is an apocalyptic number.

22144255600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144255600 is an abundant number, since it is smaller than the sum of its proper divisors (31057319440).

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

22144255600 is a wasteful number, since it uses less digits than its factorization.

22144255600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55360657 (or 55360646 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 22144255600 its reverse (655244122), we get a palindrome (22799499722).

The spelling of 22144255600 in words is "twenty-two billion, one hundred forty-four million, two hundred fifty-five thousand, six hundred".