22302551320000 has 140 divisors (see below), whose sum is σ = 63203519587120. Its totient is φ = 7646588928000.

The previous prime is 22302551319947. The next prime is 22302551320001. The reversal of 22302551320000 is 2315520322.

It is a tau number, because it is divible by the number of its divisors (140).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302551320001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39545985 + ... + 40105984.

Almost surely, 2^{22302551320000} is an apocalyptic number.

22302551320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22302551320000 is an abundant number, since it is smaller than the sum of its proper divisors (40900968267120).

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

22302551320000 is an frugal number, since it uses more digits than its factorization.

22302551320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79652008 (or 79651983 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 22302551320000 its reverse (2315520322), we get a palindrome (22304866840322).

The spelling of 22302551320000 in words is "twenty-two trillion, three hundred two billion, five hundred fifty-one million, three hundred twenty thousand".