222768149 has 2 divisors, whose sum is σ = 222768150. Its totient is φ = 222768148.

The previous prime is 222768131. The next prime is 222768167. The reversal of 222768149 is 941867222.

It is a balanced prime because it is at equal distance from previous prime (222768131) and next prime (222768167).

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 59567524 = 12775^2 + 7718^2 .

It is a cyclic number.

It is not a de Polignac number, because 222768149 - 2¹² = 222764053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222768349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111384074 + 111384075.

It is an arithmetic number, because the mean of its divisors is an integer number (111384075).

Almost surely, 2^222768149 is an apocalyptic number.

It is an amenable number.

222768149 is a deficient number, since it is larger than the sum of its proper divisors (1).

222768149 is an equidigital number, since it uses as much as digits as its factorization.

222768149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 222768149 is about 14925.4195585920. The cubic root of 222768149 is about 606.2024660503.

The spelling of 222768149 in words is "two hundred twenty-two million, seven hundred sixty-eight thousand, one hundred forty-nine".