220622745600 has 780 divisors, whose sum is σ = 831526271224. Its totient is φ = 57808650240.

The previous prime is 220622745599. The next prime is 220622745613. The reversal of 220622745600 is 6547226022.

220622745600 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 2 + 2 + 7 + 45 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 555724602 + ... + 555724998.

Almost surely, 2^220622745600 is an apocalyptic number.

220622745600 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 220622745600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415763135612).

220622745600 is an abundant number, since it is smaller than the sum of its proper divisors (610903525624).

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

220622745600 is an equidigital number, since it uses as much as digits as its factorization.

220622745600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 220622745600 in words is "two hundred twenty billion, six hundred twenty-two million, seven hundred forty-five thousand, six hundred".