22716781600000 has 108 divisors (see below), whose sum is σ = 56677406624748. Its totient is φ = 9086712320000.

The previous prime is 22716781599977. The next prime is 22716781600021. The reversal of 22716781600000 is 618761722.

It can be written as a sum of positive squares in 6 ways, for example, as 13881049129984 + 8835732470016 = 3725728^2 + 2972496^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13397989 + ... + 14997988.

It is an arithmetic number, because the mean of its divisors is an integer number (524790802081).

Almost surely, 2^{22716781600000} is an apocalyptic number.

22716781600000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22716781600000 is an abundant number, since it is smaller than the sum of its proper divisors (33960625024748).

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

22716781600000 is an frugal number, since it uses more digits than its factorization.

22716781600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28396018 (or 28395984 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 22716781600000 in words is "twenty-two trillion, seven hundred sixteen billion, seven hundred eighty-one million, six hundred thousand".