226279657 has 2 divisors, whose sum is σ = 226279658. Its totient is φ = 226279656.

The previous prime is 226279649. The next prime is 226279723. The reversal of 226279657 is 756972622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192127321 + 34152336 = 13861^2 + 5844^2 .

It is a cyclic number.

It is not a de Polignac number, because 226279657 - 2³ = 226279649 is a prime.

It is not a weakly prime, because it can be changed into another prime (226279637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113139828 + 113139829.

It is an arithmetic number, because the mean of its divisors is an integer number (113139829).

Almost surely, 2^226279657 is an apocalyptic number.

It is an amenable number.

226279657 is a deficient number, since it is larger than the sum of its proper divisors (1).

226279657 is an equidigital number, since it uses as much as digits as its factorization.

226279657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 226279657 is about 15042.5947562247. The cubic root of 226279657 is about 609.3710771328.

The spelling of 226279657 in words is "two hundred twenty-six million, two hundred seventy-nine thousand, six hundred fifty-seven".