222320313132320 has 96 divisors (see below), whose sum is σ = 566028909178992. Its totient is φ = 82030215462912.

The previous prime is 222320313132289. The next prime is 222320313132353. The reversal of 222320313132320 is 23231313023222.

It can be written as a sum of positive squares in 8 ways, for example, as 57542116265104 + 164778196867216 = 7585652^2 + 12836596^2 .

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, 34313417 + ... + 40274696.

Almost surely, 2^{222320313132320} is an apocalyptic number.

222320313132320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222320313132320 is an abundant number, since it is smaller than the sum of its proper divisors (343708596046672).

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

222320313132320 is a wasteful number, since it uses less digits than its factorization.

222320313132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74589574 (or 74589566 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 222320313132320 its reverse (23231313023222), we get a palindrome (245551626155542).

The spelling of 222320313132320 in words is "two hundred twenty-two trillion, three hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred twenty".