222222212011213 has 64 divisors (see below), whose sum is σ = 257878978560000. Its totient is φ = 190158173337600.

The previous prime is 222222212011187. The next prime is 222222212011229. The reversal of 222222212011213 is 312110212222222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222222212011213 - 2⁵ = 222222212011181 is a prime.

It is a super-2 number, since 2×222222212011213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222212011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 283127488 + ... + 283911286.

It is an arithmetic number, because the mean of its divisors is an integer number (4029359040000).

Almost surely, 2^{222222212011213} is an apocalyptic number.

It is an amenable number.

222222212011213 is a deficient number, since it is larger than the sum of its proper divisors (35656766548787).

222222212011213 is a wasteful number, since it uses less digits than its factorization.

222222212011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784226.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 222222212011213 its reverse (312110212222222), we get a palindrome (534332424233435).

The spelling of 222222212011213 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twelve million, eleven thousand, two hundred thirteen".