222131221212230 has 48 divisors (see below), whose sum is σ = 439493123063232. Its totient is φ = 80774300640000.

The previous prime is 222131221212227. The next prime is 222131221212281. The reversal of 222131221212230 is 32212122131222.

It is a super-2 number, since 2×222131221212230² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222131221212230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153753230 + ... + 155191230.

It is an arithmetic number, because the mean of its divisors is an integer number (9156106730484).

Almost surely, 2^{222131221212230} is an apocalyptic number.

222131221212230 is a deficient number, since it is larger than the sum of its proper divisors (217361901851002).

222131221212230 is a wasteful number, since it uses less digits than its factorization.

222131221212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565693 (or 1565682 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 222131221212230 its reverse (32212122131222), we get a palindrome (254343343343452).

The spelling of 222131221212230 in words is "two hundred twenty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred thirty".