222232112436 has 12 divisors (see below), whose sum is σ = 518541595712. Its totient is φ = 74077370808.

The previous prime is 222232112353. The next prime is 222232112441. The reversal of 222232112436 is 634211232222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×222232112436² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9259671340 + ... + 9259671363.

Almost surely, 2^222232112436 is an apocalyptic number.

It is an amenable number.

222232112436 is an abundant number, since it is smaller than the sum of its proper divisors (296309483276).

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

222232112436 is a wasteful number, since it uses less digits than its factorization.

222232112436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519342710 (or 18519342708 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 222232112436 its reverse (634211232222), we get a palindrome (856443344658).

The spelling of 222232112436 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, four hundred thirty-six".