226932397 has 2 divisors, whose sum is σ = 226932398. Its totient is φ = 226932396.

The previous prime is 226932389. The next prime is 226932427. The reversal of 226932397 is 793239622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 69655716 = 12541^2 + 8346^2 .

It is a cyclic number.

It is not a de Polignac number, because 226932397 - 2³ = 226932389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226932347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113466198 + 113466199.

It is an arithmetic number, because the mean of its divisors is an integer number (113466199).

Almost surely, 2^226932397 is an apocalyptic number.

It is an amenable number.

226932397 is a deficient number, since it is larger than the sum of its proper divisors (1).

226932397 is an equidigital number, since it uses as much as digits as its factorization.

226932397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 226932397 is about 15064.2755219094. The cubic root of 226932397 is about 609.9564575208.

The spelling of 226932397 in words is "two hundred twenty-six million, nine hundred thirty-two thousand, three hundred ninety-seven".