100022221670 has 24 divisors (see below), whose sum is σ = 209434285584. Its totient is φ = 34293332976.

The previous prime is 100022221667. The next prime is 100022221709. The reversal of 100022221670 is 76122220001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102063002 + ... + 102063981.

It is an arithmetic number, because the mean of its divisors is an integer number (8726428566).

Almost surely, 2^100022221670 is an apocalyptic number.

100022221670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100022221670 is an abundant number, since it is smaller than the sum of its proper divisors (109412063914).

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

100022221670 is a wasteful number, since it uses less digits than its factorization.

100022221670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204127004 (or 204126997 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 100022221670 its reverse (76122220001), we get a palindrome (176144441671).

The spelling of 100022221670 in words is "one hundred billion, twenty-two million, two hundred twenty-one thousand, six hundred seventy".