622651108 has 6 divisors (see below), whose sum is σ = 1089639446. Its totient is φ = 311325552.

The previous prime is 622651039. The next prime is 622651121. The reversal of 622651108 is 801156226.

622651108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 592532964 + 30118144 = 24342^2 + 5488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622651108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77831385 + ... + 77831392.

Almost surely, 2^622651108 is an apocalyptic number.

It is an amenable number.

622651108 is a deficient number, since it is larger than the sum of its proper divisors (466988338).

622651108 is a wasteful number, since it uses less digits than its factorization.

622651108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155662781 (or 155662779 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 622651108 is about 24952.9779385147. The cubic root of 622651108 is about 853.9155490572.

The spelling of 622651108 in words is "six hundred twenty-two million, six hundred fifty-one thousand, one hundred eight".