22891002002 has 16 divisors (see below), whose sum is σ = 38371614624. Its totient is φ = 10151220000.

The previous prime is 22891001977. The next prime is 22891002023. The reversal of 22891002002 is 20020019822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12688124 + ... + 12689927.

It is an arithmetic number, because the mean of its divisors is an integer number (2398225914).

Almost surely, 2^22891002002 is an apocalyptic number.

22891002002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22891002002 is a deficient number, since it is larger than the sum of its proper divisors (15480612622).

22891002002 is a wasteful number, since it uses less digits than its factorization.

22891002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25378105.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22891002002 in words is "twenty-two billion, eight hundred ninety-one million, two thousand, two".