222251162321 has 8 divisors (see below), whose sum is σ = 226451700864. Its totient is φ = 218050887600.

The previous prime is 222251162317. The next prime is 222251162339. The reversal of 222251162321 is 123261152222.

It is a happy number.

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 222251162321 - 2² = 222251162317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222251162351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799050 + ... + 2877356.

It is an arithmetic number, because the mean of its divisors is an integer number (28306462608).

Almost surely, 2^222251162321 is an apocalyptic number.

It is an amenable number.

222251162321 is a deficient number, since it is larger than the sum of its proper divisors (4200538543).

222251162321 is an equidigital number, since it uses as much as digits as its factorization.

222251162321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131911.

The product of its digits is 5760, while the sum is 29.

The spelling of 222251162321 in words is "two hundred twenty-two billion, two hundred fifty-one million, one hundred sixty-two thousand, three hundred twenty-one".