422253562500 has 504 divisors, whose sum is σ = 1663572456000. Its totient is φ = 87732000000.

The previous prime is 422253562487. The next prime is 422253562519. The reversal of 422253562500 is 5265352224.

422253562500 is a `hidden beast` number, since 4 + 2 + 2 + 25 + 3 + 5 + 625 + 0 + 0 = 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 167 ways as a sum of consecutive naturals, for example, 43307626 + ... + 43317374.

It is an arithmetic number, because the mean of its divisors is an integer number (3300739000).

Almost surely, 2^422253562500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422253562500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831786228000).

422253562500 is an abundant number, since it is smaller than the sum of its proper divisors (1241318893500).

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

422253562500 is a wasteful number, since it uses less digits than its factorization.

422253562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807 (or 9777 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 422253562500 in words is "four hundred twenty-two billion, two hundred fifty-three million, five hundred sixty-two thousand, five hundred".