22045551452100 has 432 divisors, whose sum is σ = 76124515469184. Its totient is φ = 5336002425600.

The previous prime is 22045551452059. The next prime is 22045551452159. The reversal of 22045551452100 is 125415554022.

22045551452100 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 55 + 51 + 452 + 100 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 782214609 + ... + 782242791.

Almost surely, 2^{22045551452100} is an apocalyptic number.

22045551452100 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 22045551452100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38062257734592).

22045551452100 is an abundant number, since it is smaller than the sum of its proper divisors (54078964017084).

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

22045551452100 is a wasteful number, since it uses less digits than its factorization.

22045551452100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28889 (or 28857 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 22045551452100 in words is "twenty-two trillion, forty-five billion, five hundred fifty-one million, four hundred fifty-two thousand, one hundred".