622454728902 has 16 divisors (see below), whose sum is σ = 1246082806512. Its totient is φ = 207289351520.

The previous prime is 622454728879. The next prime is 622454728913. The reversal of 622454728902 is 209827454226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48882633 + ... + 48895364.

It is an arithmetic number, because the mean of its divisors is an integer number (77880175407).

Almost surely, 2^622454728902 is an apocalyptic number.

622454728902 is an abundant number, since it is smaller than the sum of its proper divisors (623628077610).

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

622454728902 is a wasteful number, since it uses less digits than its factorization.

622454728902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97779063.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 622454728902 in words is "six hundred twenty-two billion, four hundred fifty-four million, seven hundred twenty-eight thousand, nine hundred two".