622154977456 has 20 divisors (see below), whose sum is σ = 1205457691752. Its totient is φ = 311069121536.

The previous prime is 622154977439. The next prime is 622154977463. The reversal of 622154977456 is 654779451226.

It is a self number, because there is not a number n which added to its sum of digits gives 622154977456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114000 + ... + 1121296.

Almost surely, 2^622154977456 is an apocalyptic number.

It is an amenable number.

622154977456 is a deficient number, since it is larger than the sum of its proper divisors (583302714296).

622154977456 is a wasteful number, since it uses less digits than its factorization.

622154977456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045908 (or 1045902 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The spelling of 622154977456 in words is "six hundred twenty-two billion, one hundred fifty-four million, nine hundred seventy-seven thousand, four hundred fifty-six".