622977028 has 12 divisors (see below), whose sum is σ = 1090610892. Its totient is φ = 311373920.

The previous prime is 622977007. The next prime is 622977031. The reversal of 622977028 is 820779226.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196224064 + 426752964 = 14008^2 + 20658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15775 + ... + 38662.

It is an arithmetic number, because the mean of its divisors is an integer number (90884241).

Almost surely, 2^622977028 is an apocalyptic number.

It is an amenable number.

622977028 is a deficient number, since it is larger than the sum of its proper divisors (467633864).

622977028 is a wasteful number, since it uses less digits than its factorization.

622977028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57302 (or 57300 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 622977028 is about 24959.5077675823. The cubic root of 622977028 is about 854.0645140271.

The spelling of 622977028 in words is "six hundred twenty-two million, nine hundred seventy-seven thousand, twenty-eight".