222312121213222 has 32 divisors (see below), whose sum is σ = 338794782326784. Its totient is φ = 109393794492000.

The previous prime is 222312121213211. The next prime is 222312121213253.

222312121213222 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×222312121213222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2668418947 + ... + 2668502257.

It is an arithmetic number, because the mean of its divisors is an integer number (10587336947712).

Almost surely, 2^{222312121213222} is an apocalyptic number.

222312121213222 is a deficient number, since it is larger than the sum of its proper divisors (116482661113562).

222312121213222 is a wasteful number, since it uses less digits than its factorization.

222312121213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162684.

The product of its digits is 4608, while the sum is 28.

The spelling of 222312121213222 in words is "two hundred twenty-two trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-two".