22056511260 has 192 divisors, whose sum is σ = 71414784000. Its totient is φ = 4982300928.

The previous prime is 22056511219. The next prime is 22056511277. The reversal of 22056511260 is 6211565022.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 13622731 + ... + 13624349.

It is an arithmetic number, because the mean of its divisors is an integer number (371952000).

Almost surely, 2^22056511260 is an apocalyptic number.

22056511260 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 22056511260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35707392000).

22056511260 is an abundant number, since it is smaller than the sum of its proper divisors (49358272740).

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

22056511260 is a wasteful number, since it uses less digits than its factorization.

22056511260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 22056511260 in words is "twenty-two billion, fifty-six million, five hundred eleven thousand, two hundred sixty".