622115117 has 4 divisors (see below), whose sum is σ = 669970140. Its totient is φ = 574260096.

The previous prime is 622115107. The next prime is 622115177. The reversal of 622115117 is 711511226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711511226 = 2 ⋅355755613.

It can be written as a sum of positive squares in 2 ways, for example, as 137851081 + 484264036 = 11741^2 + 22006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622115117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622115107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23927492 + ... + 23927517.

It is an arithmetic number, because the mean of its divisors is an integer number (167492535).

Almost surely, 2^622115117 is an apocalyptic number.

It is an amenable number.

622115117 is a deficient number, since it is larger than the sum of its proper divisors (47855023).

622115117 is a wasteful number, since it uses less digits than its factorization.

622115117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47855022.

The product of its digits is 840, while the sum is 26.

The square root of 622115117 is about 24942.2356054945. The cubic root of 622115117 is about 853.6704559727.

The spelling of 622115117 in words is "six hundred twenty-two million, one hundred fifteen thousand, one hundred seventeen".