1622100009 has 16 divisors (see below), whose sum is σ = 2194974720. Its totient is φ = 1065336720.

The previous prime is 1622099989. The next prime is 1622100013. The reversal of 1622100009 is 9000012261.

It is not a de Polignac number, because 1622100009 - 2⁷ = 1622099881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622180009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 395632 + ... + 399710.

It is an arithmetic number, because the mean of its divisors is an integer number (137185920).

Almost surely, 2^1622100009 is an apocalyptic number.

It is an amenable number.

1622100009 is a deficient number, since it is larger than the sum of its proper divisors (572874711).

1622100009 is a wasteful number, since it uses less digits than its factorization.

1622100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1622100009 is about 40275.3027176705. The cubic root of 1622100009 is about 1174.9675582412.

The spelling of 1622100009 in words is "one billion, six hundred twenty-two million, one hundred thousand, nine".