622646115644443 has 24 divisors (see below), whose sum is σ = 687443363642448. Its totient is φ = 563525253984000.

The previous prime is 622646115644437. The next prime is 622646115644467. The reversal of 622646115644443 is 344446511646226.

It is not a de Polignac number, because 622646115644443 - 2⁴⁵ = 587461743555611 is a prime.

It is a super-2 number, since 2×622646115644443² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622646115644473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30029703 + ... + 46336543.

It is an arithmetic number, because the mean of its divisors is an integer number (28643473485102).

Almost surely, 2^{622646115644443} is an apocalyptic number.

622646115644443 is a deficient number, since it is larger than the sum of its proper divisors (64797247998005).

622646115644443 is a wasteful number, since it uses less digits than its factorization.

622646115644443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308267 (or 16308256 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 58.

The spelling of 622646115644443 in words is "six hundred twenty-two trillion, six hundred forty-six billion, one hundred fifteen million, six hundred forty-four thousand, four hundred forty-three".