222261323 has 4 divisors (see below), whose sum is σ = 222514488. Its totient is φ = 222008160.

The previous prime is 222261271. The next prime is 222261329. The reversal of 222261323 is 323162222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222261323 - 2¹² = 222257227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222261329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125261 + ... + 127022.

It is an arithmetic number, because the mean of its divisors is an integer number (55628622).

Almost surely, 2^222261323 is an apocalyptic number.

222261323 is a deficient number, since it is larger than the sum of its proper divisors (253165).

222261323 is an equidigital number, since it uses as much as digits as its factorization.

222261323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253164.

The product of its digits is 1728, while the sum is 23.

The square root of 222261323 is about 14908.4312722701. The cubic root of 222261323 is about 605.7423876082.

The spelling of 222261323 in words is "two hundred twenty-two million, two hundred sixty-one thousand, three hundred twenty-three".