22065372000 has 1344 divisors, whose sum is σ = 98998308864. Its totient is φ = 4721587200.

The previous prime is 22065371987. The next prime is 22065372001. The reversal of 22065372000 is 27356022.

22065372000 is a `hidden beast` number, since 2 + 2 + 0 + 653 + 7 + 2 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065372001) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 469475977 + ... + 469476023.

It is an arithmetic number, because the mean of its divisors is an integer number (73659456).

Almost surely, 2^22065372000 is an apocalyptic number.

22065372000 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 22065372000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49499154432).

22065372000 is an abundant number, since it is smaller than the sum of its proper divisors (76932936864).

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

22065372000 is an equidigital number, since it uses as much as digits as its factorization.

22065372000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 22065372000 in words is "twenty-two billion, sixty-five million, three hundred seventy-two thousand".