222202100001 has 32 divisors (see below), whose sum is σ = 344861798400. Its totient is φ = 124642615680.

The previous prime is 222202099967. The next prime is 222202100077. The reversal of 222202100001 is 100001202222.

It is not a de Polignac number, because 222202100001 - 2¹⁵ = 222202067233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222202100001.

It is not an unprimeable number, because it can be changed into a prime (222202100101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167865 + ... + 687446.

It is an arithmetic number, because the mean of its divisors is an integer number (10776931200).

Almost surely, 2^222202100001 is an apocalyptic number.

222202100001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222202100001 is a deficient number, since it is larger than the sum of its proper divisors (122659698399).

222202100001 is a wasteful number, since it uses less digits than its factorization.

222202100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855549.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222202100001 its reverse (100001202222), we get a palindrome (322203302223).

The spelling of 222202100001 in words is "two hundred twenty-two billion, two hundred two million, one hundred thousand, one".