22002442002 has 24 divisors (see below), whose sum is σ = 47675547036. Its totient is φ = 7333595136.

The previous prime is 22002441977. The next prime is 22002442027. The reversal of 22002442002 is 20024420022.

22002442002 is a `hidden beast` number, since 220 + 0 + 2 + 442 + 0 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22002441977) and next prime (22002442027).

It can be written as a sum of positive squares in 2 ways, for example, as 21571090641 + 431351361 = 146871^2 + 20769^2 .

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251778 + ... + 327714.

Almost surely, 2^22002442002 is an apocalyptic number.

22002442002 is an abundant number, since it is smaller than the sum of its proper divisors (25673105034).

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

22002442002 is a wasteful number, since it uses less digits than its factorization.

22002442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92042 (or 92039 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22002442002 its reverse (20024420022), we get a palindrome (42026862024).

It can be divided in two parts, 2 and 2002442002, that multiplied together give a palindrome (4004884004).

The spelling of 22002442002 in words is "twenty-two billion, two million, four hundred forty-two thousand, two".