222297331 has 4 divisors (see below), whose sum is σ = 223142832. Its totient is φ = 221451832.

The previous prime is 222297319. The next prime is 222297343. The reversal of 222297331 is 133792222.

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

It is an interprime number because it is at equal distance from previous prime (222297319) and next prime (222297343).

It is a cyclic number.

It is not a de Polignac number, because 222297331 - 2⁹ = 222296819 is a prime.

It is a super-2 number, since 2×222297331² = 98832206739447122, 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 = 222297293 and 222297302.

It is not an unprimeable number, because it can be changed into a prime (222297391) 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, 422356 + ... + 422881.

It is an arithmetic number, because the mean of its divisors is an integer number (55785708).

Almost surely, 2^222297331 is an apocalyptic number.

222297331 is a deficient number, since it is larger than the sum of its proper divisors (845501).

222297331 is an equidigital number, since it uses as much as digits as its factorization.

222297331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845500.

The product of its digits is 9072, while the sum is 31.

The square root of 222297331 is about 14909.6388621589. The cubic root of 222297331 is about 605.7750974440.

The spelling of 222297331 in words is "two hundred twenty-two million, two hundred ninety-seven thousand, three hundred thirty-one".