22772397550500 has 1440 divisors, whose sum is σ = 86770006202880. Its totient is φ = 5179749120000.

The previous prime is 22772397550453. The next prime is 22772397550537. The reversal of 22772397550500 is 505579327722.

22772397550500 is a `hidden beast` number, since 2 + 2 + 7 + 7 + 2 + 39 + 7 + 550 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 5331863365 + ... + 5331867635.

It is an arithmetic number, because the mean of its divisors is an integer number (60256948752).

Almost surely, 2^{22772397550500} is an apocalyptic number.

22772397550500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22772397550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43385003101440).

22772397550500 is an abundant number, since it is smaller than the sum of its proper divisors (63997608652380).

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

22772397550500 is a wasteful number, since it uses less digits than its factorization.

22772397550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 22772397550500 in words is "twenty-two trillion, seven hundred seventy-two billion, three hundred ninety-seven million, five hundred fifty thousand, five hundred".