222323313421 has 4 divisors (see below), whose sum is σ = 242534523744. Its totient is φ = 202112103100.

The previous prime is 222323313367. The next prime is 222323313431. The reversal of 222323313421 is 124313323222.

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 222323313421 - 2⁷ = 222323313293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222323313421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323313431) 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, 10105605145 + ... + 10105605166.

It is an arithmetic number, because the mean of its divisors is an integer number (60633630936).

Almost surely, 2^222323313421 is an apocalyptic number.

It is an amenable number.

222323313421 is a deficient number, since it is larger than the sum of its proper divisors (20211210323).

222323313421 is a wasteful number, since it uses less digits than its factorization.

222323313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211210322.

The product of its digits is 10368, while the sum is 28.

Adding to 222323313421 its reverse (124313323222), we get a palindrome (346636636643).

The spelling of 222323313421 in words is "two hundred twenty-two billion, three hundred twenty-three million, three hundred thirteen thousand, four hundred twenty-one".