622116455 has 4 divisors (see below), whose sum is σ = 746539752. Its totient is φ = 497693160.

The previous prime is 622116433. The next prime is 622116499. The reversal of 622116455 is 554611226.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622116455 - 2²⁰ = 621067879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62211641 + ... + 62211650.

It is an arithmetic number, because the mean of its divisors is an integer number (186634938).

Almost surely, 2^622116455 is an apocalyptic number.

622116455 is a deficient number, since it is larger than the sum of its proper divisors (124423297).

622116455 is a wasteful number, since it uses less digits than its factorization.

622116455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124423296.

The product of its digits is 14400, while the sum is 32.

The square root of 622116455 is about 24942.2624274543. The cubic root of 622116455 is about 853.6710679764.

The spelling of 622116455 in words is "six hundred twenty-two million, one hundred sixteen thousand, four hundred fifty-five".