222412457 has 2 divisors, whose sum is σ = 222412458. Its totient is φ = 222412456.

The previous prime is 222412417. The next prime is 222412481. The reversal of 222412457 is 754214222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181144681 + 41267776 = 13459^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 222412457 - 2¹⁰ = 222411433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222412417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111206228 + 111206229.

It is an arithmetic number, because the mean of its divisors is an integer number (111206229).

Almost surely, 2^222412457 is an apocalyptic number.

It is an amenable number.

222412457 is a deficient number, since it is larger than the sum of its proper divisors (1).

222412457 is an equidigital number, since it uses as much as digits as its factorization.

222412457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 29.

The square root of 222412457 is about 14913.4991534515. The cubic root of 222412457 is about 605.8796547467.

Adding to 222412457 its reverse (754214222), we get a palindrome (976626679).

The spelling of 222412457 in words is "two hundred twenty-two million, four hundred twelve thousand, four hundred fifty-seven".