222688319361 has 4 divisors (see below), whose sum is σ = 296917759152. Its totient is φ = 148458879572.

The previous prime is 222688319341. The next prime is 222688319383. The reversal of 222688319361 is 163913886222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222688319361 - 2⁹ = 222688318849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222688319341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37114719891 + ... + 37114719896.

It is an arithmetic number, because the mean of its divisors is an integer number (74229439788).

Almost surely, 2^222688319361 is an apocalyptic number.

It is an amenable number.

222688319361 is a deficient number, since it is larger than the sum of its proper divisors (74229439791).

222688319361 is an equidigital number, since it uses as much as digits as its factorization.

222688319361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74229439790.

The product of its digits is 1492992, while the sum is 51.

The spelling of 222688319361 in words is "two hundred twenty-two billion, six hundred eighty-eight million, three hundred nineteen thousand, three hundred sixty-one".