22251202002 has 48 divisors (see below), whose sum is σ = 49396158240. Its totient is φ = 7235174016.

The previous prime is 22251201997. The next prime is 22251202019. The reversal of 22251202002 is 20020215222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590874 + ... + 627402.

It is an arithmetic number, because the mean of its divisors is an integer number (1029086630).

Almost surely, 2^22251202002 is an apocalyptic number.

22251202002 is an abundant number, since it is smaller than the sum of its proper divisors (27144956238).

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

22251202002 is a wasteful number, since it uses less digits than its factorization.

22251202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367 (or 37364 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 22251202002 its reverse (20020215222), we get a palindrome (42271417224).

The spelling of 22251202002 in words is "twenty-two billion, two hundred fifty-one million, two hundred two thousand, two".