22222100012002 has 64 divisors (see below), whose sum is σ = 38452023267840. Its totient is φ = 9525667305600.

The previous prime is 22222100011987. The next prime is 22222100012003. The reversal of 22222100012002 is 20021000122222.

It is not an unprimeable number, because it can be changed into a prime (22222100012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382826793 + ... + 382884835.

It is an arithmetic number, because the mean of its divisors is an integer number (600812863560).

Almost surely, 2^{22222100012002} is an apocalyptic number.

22222100012002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222100012002 is a deficient number, since it is larger than the sum of its proper divisors (16229923255838).

22222100012002 is a wasteful number, since it uses less digits than its factorization.

22222100012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62239.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22222100012002 its reverse (20021000122222), we get a palindrome (42243100134224).

The spelling of 22222100012002 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred million, twelve thousand, two".