622387916 has 6 divisors (see below), whose sum is σ = 1089178860. Its totient is φ = 311193956.

The previous prime is 622387897. The next prime is 622387933. The reversal of 622387916 is 619783226.

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, 77798486 + ... + 77798493.

It is an arithmetic number, because the mean of its divisors is an integer number (181529810).

Almost surely, 2^622387916 is an apocalyptic number.

It is an amenable number.

622387916 is a deficient number, since it is larger than the sum of its proper divisors (466790944).

622387916 is a wasteful number, since it uses less digits than its factorization.

622387916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155596983 (or 155596981 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 622387916 is about 24947.7036217765. The cubic root of 622387916 is about 853.7952165993.

The spelling of 622387916 in words is "six hundred twenty-two million, three hundred eighty-seven thousand, nine hundred sixteen".