1622967872 has 28 divisors (see below), whose sum is σ = 3223808640. Its totient is φ = 810669696.

The previous prime is 1622967869. The next prime is 1622967887. The reversal of 1622967872 is 2787692261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622967872.

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 3 ways as a sum of consecutive naturals, for example, 54293 + ... + 78699.

Almost surely, 2^1622967872 is an apocalyptic number.

It is an amenable number.

1622967872 is a deficient number, since it is larger than the sum of its proper divisors (1600840768).

1622967872 is a wasteful number, since it uses less digits than its factorization.

1622967872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25458 (or 25448 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 1622967872 is about 40286.0754107421. The cubic root of 1622967872 is about 1175.1770662990.

The spelling of 1622967872 in words is "one billion, six hundred twenty-two million, nine hundred sixty-seven thousand, eight hundred seventy-two".