222564247 has 2 divisors, whose sum is σ = 222564248. Its totient is φ = 222564246.

The previous prime is 222564239. The next prime is 222564253. The reversal of 222564247 is 742465222.

222564247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222564247 - 2³ = 222564239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222564547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111282123 + 111282124.

It is an arithmetic number, because the mean of its divisors is an integer number (111282124).

Almost surely, 2^222564247 is an apocalyptic number.

222564247 is a deficient number, since it is larger than the sum of its proper divisors (1).

222564247 is an equidigital number, since it uses as much as digits as its factorization.

222564247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 34.

The square root of 222564247 is about 14918.5872990709. The cubic root of 222564247 is about 606.0174551207.

The spelling of 222564247 in words is "two hundred twenty-two million, five hundred sixty-four thousand, two hundred forty-seven".