622346740031 has 4 divisors (see below), whose sum is σ = 639166922232. Its totient is φ = 605526557832.

The previous prime is 622346740019. The next prime is 622346740069. The reversal of 622346740031 is 130047643226.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622346740031 is a prime.

It is a super-2 number, since 2×622346740031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622346740831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8410091045 + ... + 8410091118.

It is an arithmetic number, because the mean of its divisors is an integer number (159791730558).

Almost surely, 2^622346740031 is an apocalyptic number.

622346740031 is a deficient number, since it is larger than the sum of its proper divisors (16820182201).

622346740031 is a wasteful number, since it uses less digits than its factorization.

622346740031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820182200.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 622346740031 in words is "six hundred twenty-two billion, three hundred forty-six million, seven hundred forty thousand, thirty-one".