222230461 has 2 divisors, whose sum is σ = 222230462. Its totient is φ = 222230460.

The previous prime is 222230453. The next prime is 222230467. The reversal of 222230461 is 164032222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126562500 + 95667961 = 11250^2 + 9781^2 .

It is a cyclic number.

It is not a de Polignac number, because 222230461 - 2³ = 222230453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222230467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111115230 + 111115231.

It is an arithmetic number, because the mean of its divisors is an integer number (111115231).

Almost surely, 2^222230461 is an apocalyptic number.

It is an amenable number.

222230461 is a deficient number, since it is larger than the sum of its proper divisors (1).

222230461 is an equidigital number, since it uses as much as digits as its factorization.

222230461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 222230461 is about 14907.3961844448. The cubic root of 222230461 is about 605.7143496113.

Adding to 222230461 its reverse (164032222), we get a palindrome (386262683).

The spelling of 222230461 in words is "two hundred twenty-two million, two hundred thirty thousand, four hundred sixty-one".