222303331 has 2 divisors, whose sum is σ = 222303332. Its totient is φ = 222303330.

The previous prime is 222303317. The next prime is 222303379. The reversal of 222303331 is 133303222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222303331 - 2¹⁷ = 222172259 is a prime.

It is a super-2 number, since 2×222303331² = 98837541947391122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222303299 and 222303308.

It is not a weakly prime, because it can be changed into another prime (222303391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151665 + 111151666.

It is an arithmetic number, because the mean of its divisors is an integer number (111151666).

Almost surely, 2^222303331 is an apocalyptic number.

222303331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222303331 is an equidigital number, since it uses as much as digits as its factorization.

222303331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 222303331 is about 14909.8400729183. The cubic root of 222303331 is about 605.7805475287.

Adding to 222303331 its reverse (133303222), we get a palindrome (355606553).

The spelling of 222303331 in words is "two hundred twenty-two million, three hundred three thousand, three hundred thirty-one".