222030331 has 2 divisors, whose sum is σ = 222030332. Its totient is φ = 222030330.

The previous prime is 222030307. The next prime is 222030337. The reversal of 222030331 is 133030222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222030331 - 2⁵ = 222030299 is a prime.

It is a super-2 number, since 2×222030331² = 98594935767939122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222030337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111015165 + 111015166.

It is an arithmetic number, because the mean of its divisors is an integer number (111015166).

Almost surely, 2^222030331 is an apocalyptic number.

222030331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222030331 is an equidigital number, since it uses as much as digits as its factorization.

222030331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 222030331 is about 14900.6822327033. The cubic root of 222030331 is about 605.5324693247.

Adding to 222030331 its reverse (133030222), we get a palindrome (355060553).

The spelling of 222030331 in words is "two hundred twenty-two million, thirty thousand, three hundred thirty-one".