222513443231 has 8 divisors (see below), whose sum is σ = 224853857760. Its totient is φ = 220173977088.

The previous prime is 222513443227. The next prime is 222513443239. The reversal of 222513443231 is 132344315222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222513443231 - 2² = 222513443227 is a prime.

It is a super-2 number, since 2×222513443231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222513443239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239630 + ... + 708836.

It is an arithmetic number, because the mean of its divisors is an integer number (28106732220).

Almost surely, 2^222513443231 is an apocalyptic number.

222513443231 is a deficient number, since it is larger than the sum of its proper divisors (2340414529).

222513443231 is an equidigital number, since it uses as much as digits as its factorization.

222513443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474193.

The product of its digits is 34560, while the sum is 32.

Adding to 222513443231 its reverse (132344315222), we get a palindrome (354857758453).

The spelling of 222513443231 in words is "two hundred twenty-two billion, five hundred thirteen million, four hundred forty-three thousand, two hundred thirty-one".