222231433 has 2 divisors, whose sum is σ = 222231434. Its totient is φ = 222231432.

The previous prime is 222231397. The next prime is 222231481. The reversal of 222231433 is 334132222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221325129 + 906304 = 14877^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 222231433 - 2¹³ = 222223241 is a prime.

It is not a weakly prime, because it can be changed into another prime (222231833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111115716 + 111115717.

It is an arithmetic number, because the mean of its divisors is an integer number (111115717).

Almost surely, 2^222231433 is an apocalyptic number.

It is an amenable number.

222231433 is a deficient number, since it is larger than the sum of its proper divisors (1).

222231433 is an equidigital number, since it uses as much as digits as its factorization.

222231433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 222231433 is about 14907.4287856760. The cubic root of 222231433 is about 605.7152327087.

Adding to 222231433 its reverse (334132222), we get a palindrome (556363655).

The spelling of 222231433 in words is "two hundred twenty-two million, two hundred thirty-one thousand, four hundred thirty-three".