222432473 has 2 divisors, whose sum is σ = 222432474. Its totient is φ = 222432472.

The previous prime is 222432433. The next prime is 222432527. The reversal of 222432473 is 374234222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114854089 + 107578384 = 10717^2 + 10372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222432473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (222432433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111216236 + 111216237.

It is an arithmetic number, because the mean of its divisors is an integer number (111216237).

Almost surely, 2^222432473 is an apocalyptic number.

It is an amenable number.

222432473 is a deficient number, since it is larger than the sum of its proper divisors (1).

222432473 is an equidigital number, since it uses as much as digits as its factorization.

222432473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 29.

The square root of 222432473 is about 14914.1702082281. The cubic root of 222432473 is about 605.8978295731.

Adding to 222432473 its reverse (374234222), we get a palindrome (596666695).

The spelling of 222432473 in words is "two hundred twenty-two million, four hundred thirty-two thousand, four hundred seventy-three".