622464566 has 4 divisors (see below), whose sum is σ = 933696852. Its totient is φ = 311232282.

The previous prime is 622464541. The next prime is 622464587. The reversal of 622464566 is 665464226.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155616140 + ... + 155616143.

It is an arithmetic number, because the mean of its divisors is an integer number (233424213).

Almost surely, 2^622464566 is an apocalyptic number.

622464566 is a deficient number, since it is larger than the sum of its proper divisors (311232286).

622464566 is a wasteful number, since it uses less digits than its factorization.

622464566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311232285.

The product of its digits is 414720, while the sum is 41.

The square root of 622464566 is about 24949.2397880176. The cubic root of 622464566 is about 853.8302647931.

The spelling of 622464566 in words is "six hundred twenty-two million, four hundred sixty-four thousand, five hundred sixty-six".