622666502 has 4 divisors (see below), whose sum is σ = 933999756. Its totient is φ = 311333250.

The previous prime is 622666487. The next prime is 622666523. The reversal of 622666502 is 205666226.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155666624 + ... + 155666627.

It is an arithmetic number, because the mean of its divisors is an integer number (233499939).

Almost surely, 2^622666502 is an apocalyptic number.

622666502 is a deficient number, since it is larger than the sum of its proper divisors (311333254).

622666502 is a wasteful number, since it uses less digits than its factorization.

622666502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311333253.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 622666502 is about 24953.2863967855. The cubic root of 622666502 is about 853.9225862071.

The spelling of 622666502 in words is "six hundred twenty-two million, six hundred sixty-six thousand, five hundred two".