222321303111312 has 40 divisors (see below), whose sum is σ = 638144481154080. Its totient is φ = 74107101036960.

The previous prime is 222321303111307. The next prime is 222321303111373. The reversal of 222321303111312 is 213111303123222.

222321303111312 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 2 + 1 + 30 + 311 + 1 + 312 = 666.

It is a super-2 number, since 2×222321303111312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257316322614 + ... + 257316323477.

It is an arithmetic number, because the mean of its divisors is an integer number (15953612028852).

Almost surely, 2^{222321303111312} is an apocalyptic number.

It is an amenable number.

222321303111312 is an abundant number, since it is smaller than the sum of its proper divisors (415823178042768).

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

222321303111312 is a wasteful number, since it uses less digits than its factorization.

222321303111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514632646108 (or 514632646096 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 222321303111312 its reverse (213111303123222), we get a palindrome (435432606234534).

The spelling of 222321303111312 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, three hundred three million, one hundred eleven thousand, three hundred twelve".