1626222928 has 40 divisors (see below), whose sum is σ = 3488571360. Its totient is φ = 728154240.

The previous prime is 1626222887. The next prime is 1626222943. The reversal of 1626222928 is 8292226261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57163 + ... + 80746.

It is an arithmetic number, because the mean of its divisors is an integer number (87214284).

Almost surely, 2^1626222928 is an apocalyptic number.

It is an amenable number.

1626222928 is an abundant number, since it is smaller than the sum of its proper divisors (1862348432).

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

1626222928 is a wasteful number, since it uses less digits than its factorization.

1626222928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137995 (or 137989 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 1626222928 is about 40326.4544437023. The cubic root of 1626222928 is about 1175.9621943205.

The spelling of 1626222928 in words is "one billion, six hundred twenty-six million, two hundred twenty-two thousand, nine hundred twenty-eight".