2222100222000 has 80 divisors (see below), whose sum is σ = 7164051135072. Its totient is φ = 592560057600.

The previous prime is 2222100221987. The next prime is 2222100222019. The reversal of 2222100222000 is 2220012222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2222100222000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 185169019 + ... + 185181018.

Almost surely, 2^{2222100222000} is an apocalyptic number.

2222100222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222100222000 is an abundant number, since it is smaller than the sum of its proper divisors (4941950913072).

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

2222100222000 is a wasteful number, since it uses less digits than its factorization.

2222100222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370350063 (or 370350047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2222100222000 its reverse (2220012222), we get a palindrome (2224320234222).

The spelling of 2222100222000 in words is "two trillion, two hundred twenty-two billion, one hundred million, two hundred twenty-two thousand".