222531433 has 2 divisors, whose sum is σ = 222531434. Its totient is φ = 222531432.

The previous prime is 222531389. The next prime is 222531451. The reversal of 222531433 is 334135222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167133184 + 55398249 = 12928^2 + 7443^2 .

It is a cyclic number.

It is not a de Polignac number, because 222531433 - 2⁹ = 222530921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222531398 and 222531407.

It is not a weakly prime, because it can be changed into another prime (222531473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111265716 + 111265717.

It is an arithmetic number, because the mean of its divisors is an integer number (111265717).

Almost surely, 2^222531433 is an apocalyptic number.

It is an amenable number.

222531433 is a deficient number, since it is larger than the sum of its proper divisors (1).

222531433 is an equidigital number, since it uses as much as digits as its factorization.

222531433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 222531433 is about 14917.4874895205. The cubic root of 222531433 is about 605.9876707110.

Adding to 222531433 its reverse (334135222), we get a palindrome (556666655).

The spelling of 222531433 in words is "two hundred twenty-two million, five hundred thirty-one thousand, four hundred thirty-three".