226364279 has 2 divisors, whose sum is σ = 226364280. Its totient is φ = 226364278.

The previous prime is 226364273. The next prime is 226364293. The reversal of 226364279 is 972463622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226364279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226364273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113182139 + 113182140.

It is an arithmetic number, because the mean of its divisors is an integer number (113182140).

Almost surely, 2^226364279 is an apocalyptic number.

226364279 is a deficient number, since it is larger than the sum of its proper divisors (1).

226364279 is an equidigital number, since it uses as much as digits as its factorization.

226364279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 226364279 is about 15045.4072394203. The cubic root of 226364279 is about 609.4470300093.

The spelling of 226364279 in words is "two hundred twenty-six million, three hundred sixty-four thousand, two hundred seventy-nine".