22222002220002 has 48 divisors (see below), whose sum is σ = 51852804389568. Its totient is φ = 6837345842400.

The previous prime is 22222002219973. The next prime is 22222002220063. The reversal of 22222002220002 is 20002220022222.

22222002220002 is a `hidden beast` number, since 222 + 220 + 0 + 2 + 220 + 0 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7064683 + ... + 9713585.

It is an arithmetic number, because the mean of its divisors is an integer number (1080266758116).

Almost surely, 2^{22222002220002} is an apocalyptic number.

22222002220002 is an abundant number, since it is smaller than the sum of its proper divisors (29630802169566).

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

22222002220002 is a wasteful number, since it uses less digits than its factorization.

22222002220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684775 (or 2684772 counting only the distinct ones).

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

Adding to 22222002220002 its reverse (20002220022222), we get a palindrome (42224222242224).

The spelling of 22222002220002 in words is "twenty-two trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, two".