226893397 has 2 divisors, whose sum is σ = 226893398. Its totient is φ = 226893396.

The previous prime is 226893377. The next prime is 226893431. The reversal of 226893397 is 793398622.

226893397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222188836 + 4704561 = 14906^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 226893397 - 2²⁷ = 92675669 is a prime.

It is a super-2 number, since 2×226893397² = 102961227204399218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226893397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226893377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113446698 + 113446699.

It is an arithmetic number, because the mean of its divisors is an integer number (113446699).

Almost surely, 2^226893397 is an apocalyptic number.

It is an amenable number.

226893397 is a deficient number, since it is larger than the sum of its proper divisors (1).

226893397 is an equidigital number, since it uses as much as digits as its factorization.

226893397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 226893397 is about 15062.9810130664. The cubic root of 226893397 is about 609.9215136858.

The spelling of 226893397 in words is "two hundred twenty-six million, eight hundred ninety-three thousand, three hundred ninety-seven".