222304231 has 4 divisors (see below), whose sum is σ = 222409264. Its totient is φ = 222199200.

The previous prime is 222304213. The next prime is 222304253. The reversal of 222304231 is 132403222.

222304231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222304231 is a prime.

It is a super-2 number, since 2×222304231² = 98838342241002722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222304199 and 222304208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222304211) 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, 49275 + ... + 53596.

It is an arithmetic number, because the mean of its divisors is an integer number (55602316).

Almost surely, 2^222304231 is an apocalyptic number.

222304231 is a deficient number, since it is larger than the sum of its proper divisors (105033).

222304231 is a wasteful number, since it uses less digits than its factorization.

222304231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105032.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222304231 is about 14909.8702542980. The cubic root of 222304231 is about 605.7813650330.

Adding to 222304231 its reverse (132403222), we get a palindrome (354707453).

The spelling of 222304231 in words is "two hundred twenty-two million, three hundred four thousand, two hundred thirty-one".