22113002002 has 128 divisors (see below), whose sum is σ = 42464378880. Its totient is φ = 8406478080.

The previous prime is 22113001997. The next prime is 22113002003. The reversal of 22113002002 is 20020031122.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22113002003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168801477 + ... + 168801607.

It is an arithmetic number, because the mean of its divisors is an integer number (331752960).

Almost surely, 2^22113002002 is an apocalyptic number.

22113002002 is a deficient number, since it is larger than the sum of its proper divisors (20351376878).

22113002002 is a wasteful number, since it uses less digits than its factorization.

22113002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22113002002 its reverse (20020031122), we get a palindrome (42133033124).

The spelling of 22113002002 in words is "twenty-two billion, one hundred thirteen million, two thousand, two".