2222222100222 has 32 divisors (see below), whose sum is σ = 4448720390400. Its totient is φ = 740028235968.

The previous prime is 2222222100199. The next prime is 2222222100223. The reversal of 2222222100222 is 2220012222222.

It is a super-2 number, since 2×2222222100222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42860058 + ... + 42911874.

It is an arithmetic number, because the mean of its divisors is an integer number (139022512200).

Almost surely, 2^{2222222100222} is an apocalyptic number.

2222222100222 is an abundant number, since it is smaller than the sum of its proper divisors (2226498290178).

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

2222222100222 is a wasteful number, since it uses less digits than its factorization.

2222222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58560.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2222222100222 its reverse (2220012222222), we get a palindrome (4442234322444).

The spelling of 2222222100222 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".