222312473 has 2 divisors, whose sum is σ = 222312474. Its totient is φ = 222312472.

The previous prime is 222312443. The next prime is 222312479. The reversal of 222312473 is 374213222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222248464 + 64009 = 14908^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 222312473 - 2¹⁴ = 222296089 is a prime.

It is not a weakly prime, because it can be changed into another prime (222312479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111156236 + 111156237.

It is an arithmetic number, because the mean of its divisors is an integer number (111156237).

Almost surely, 2^222312473 is an apocalyptic number.

It is an amenable number.

222312473 is a deficient number, since it is larger than the sum of its proper divisors (1).

222312473 is an equidigital number, since it uses as much as digits as its factorization.

222312473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 222312473 is about 14910.1466458248. The cubic root of 222312473 is about 605.7888514527.

Adding to 222312473 its reverse (374213222), we get a palindrome (596525695).

The spelling of 222312473 in words is "two hundred twenty-two million, three hundred twelve thousand, four hundred seventy-three".