622661614 has 4 divisors (see below), whose sum is σ = 933992424. Its totient is φ = 311330806.

The previous prime is 622661591. The next prime is 622661617. The reversal of 622661614 is 416166226.

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

It is a self number, because there is not a number n which added to its sum of digits gives 622661614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622661617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155665402 + ... + 155665405.

It is an arithmetic number, because the mean of its divisors is an integer number (233498106).

Almost surely, 2^622661614 is an apocalyptic number.

622661614 is a deficient number, since it is larger than the sum of its proper divisors (311330810).

622661614 is a wasteful number, since it uses less digits than its factorization.

622661614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311330809.

The product of its digits is 20736, while the sum is 34.

The square root of 622661614 is about 24953.1884535824. The cubic root of 622661614 is about 853.9203517394.

The spelling of 622661614 in words is "six hundred twenty-two million, six hundred sixty-one thousand, six hundred fourteen".