226404293 has 2 divisors, whose sum is σ = 226404294. Its totient is φ = 226404292.

The previous prime is 226404281. The next prime is 226404301. The reversal of 226404293 is 392404622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199176769 + 27227524 = 14113^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 226404293 - 2⁸ = 226404037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226404223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113202146 + 113202147.

It is an arithmetic number, because the mean of its divisors is an integer number (113202147).

Almost surely, 2^226404293 is an apocalyptic number.

It is an amenable number.

226404293 is a deficient number, since it is larger than the sum of its proper divisors (1).

226404293 is an equidigital number, since it uses as much as digits as its factorization.

226404293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 226404293 is about 15046.7369552338. The cubic root of 226404293 is about 609.4829381729.

The spelling of 226404293 in words is "two hundred twenty-six million, four hundred four thousand, two hundred ninety-three".