622859946 has 16 divisors (see below), whose sum is σ = 1276103808. Its totient is φ = 202556000.

The previous prime is 622859929. The next prime is 622859953. The reversal of 622859946 is 649958226.

It is a super-2 number, since 2×622859946² = 775909024662245832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265730 + ... + 1266221.

It is an arithmetic number, because the mean of its divisors is an integer number (79756488).

Almost surely, 2^622859946 is an apocalyptic number.

622859946 is an abundant number, since it is smaller than the sum of its proper divisors (653243862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622859946 is a wasteful number, since it uses less digits than its factorization.

622859946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531997.

The product of its digits is 1866240, while the sum is 51.

The square root of 622859946 is about 24957.1622184895. The cubic root of 622859946 is about 854.0110065183.

The spelling of 622859946 in words is "six hundred twenty-two million, eight hundred fifty-nine thousand, nine hundred forty-six".