22222642002 has 64 divisors (see below), whose sum is σ = 50075366400. Its totient is φ = 6515398080.

The previous prime is 22222641997. The next prime is 22222642061. The reversal of 22222642002 is 20024622222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411699 + ... + 462537.

It is an arithmetic number, because the mean of its divisors is an integer number (782427600).

Almost surely, 2^22222642002 is an apocalyptic number.

22222642002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222642002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25037683200).

22222642002 is an abundant number, since it is smaller than the sum of its proper divisors (27852724398).

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

22222642002 is a wasteful number, since it uses less digits than its factorization.

22222642002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51071.

The product of its (nonzero) digits is 3072, while the sum is 24.

The spelling of 22222642002 in words is "twenty-two billion, two hundred twenty-two million, six hundred forty-two thousand, two".