226237897 has 2 divisors, whose sum is σ = 226237898. Its totient is φ = 226237896.

The previous prime is 226237889. The next prime is 226237901. The reversal of 226237897 is 798732622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146385801 + 79852096 = 12099^2 + 8936^2 .

It is a cyclic number.

It is not a de Polignac number, because 226237897 - 2³ = 226237889 is a prime.

It is not a weakly prime, because it can be changed into another prime (226237097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113118948 + 113118949.

It is an arithmetic number, because the mean of its divisors is an integer number (113118949).

Almost surely, 2^226237897 is an apocalyptic number.

It is an amenable number.

226237897 is a deficient number, since it is larger than the sum of its proper divisors (1).

226237897 is an equidigital number, since it uses as much as digits as its factorization.

226237897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 226237897 is about 15041.2066337778. The cubic root of 226237897 is about 609.3335882689. Note that the first 3 decimals are identical.

The spelling of 226237897 in words is "two hundred twenty-six million, two hundred thirty-seven thousand, eight hundred ninety-seven".