222427679 has 2 divisors, whose sum is σ = 222427680. Its totient is φ = 222427678.

The previous prime is 222427649. The next prime is 222427703. The reversal of 222427679 is 976724222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222427679 - 2¹⁶ = 222362143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222427649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111213839 + 111213840.

It is an arithmetic number, because the mean of its divisors is an integer number (111213840).

Almost surely, 2^222427679 is an apocalyptic number.

222427679 is a deficient number, since it is larger than the sum of its proper divisors (1).

222427679 is an equidigital number, since it uses as much as digits as its factorization.

222427679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 222427679 is about 14914.0094877266. The cubic root of 222427679 is about 605.8934766489.

The spelling of 222427679 in words is "two hundred twenty-two million, four hundred twenty-seven thousand, six hundred seventy-nine".