1622346866 has 16 divisors (see below), whose sum is σ = 2799835200. Its totient is φ = 690624240.

The previous prime is 1622346853. The next prime is 1622346959. The reversal of 1622346866 is 6686432261.

It is a Curzon 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, 386780 + ... + 390951.

It is an arithmetic number, because the mean of its divisors is an integer number (174989700).

Almost surely, 2^1622346866 is an apocalyptic number.

1622346866 is a deficient number, since it is larger than the sum of its proper divisors (1177488334).

1622346866 is a wasteful number, since it uses less digits than its factorization.

1622346866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777889.

The product of its digits is 497664, while the sum is 44.

The square root of 1622346866 is about 40278.3672211275. The cubic root of 1622346866 is about 1175.0271588109.

The spelling of 1622346866 in words is "one billion, six hundred twenty-two million, three hundred forty-six thousand, eight hundred sixty-six".