222232112442 has 24 divisors (see below), whose sum is σ = 481530378420. Its totient is φ = 74073144960.

The previous prime is 222232112441. The next prime is 222232112447. The reversal of 222232112442 is 244211232222.

222232112442 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 3 + 211 + 2 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 221634749961 + 597362481 = 470781^2 + 24441^2 .

It is a super-2 number, since 2×222232112442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222232112441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19359 + ... + 666962.

Almost surely, 2^222232112442 is an apocalyptic number.

222232112442 is an abundant number, since it is smaller than the sum of its proper divisors (259298265978).

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

222232112442 is a wasteful number, since it uses less digits than its factorization.

222232112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704318 (or 704315 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 222232112442 its reverse (244211232222), we get a palindrome (466443344664).

The spelling of 222232112442 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, four hundred forty-two".