22228157400560 has 80 divisors (see below), whose sum is σ = 52591520861760. Its totient is φ = 8734876600320.

The previous prime is 22228157400487. The next prime is 22228157400587. The reversal of 22228157400560 is 6500475182222.

22228157400560 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248956 + ... + 6783524.

It is an arithmetic number, because the mean of its divisors is an integer number (657394010772).

Almost surely, 2^{22228157400560} is an apocalyptic number.

22228157400560 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 22228157400560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26295760430880).

22228157400560 is an abundant number, since it is smaller than the sum of its proper divisors (30363363461200).

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

22228157400560 is a wasteful number, since it uses less digits than its factorization.

22228157400560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535466 (or 5535460 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 22228157400560 in words is "twenty-two trillion, two hundred twenty-eight billion, one hundred fifty-seven million, four hundred thousand, five hundred sixty".