226694261 has 2 divisors, whose sum is σ = 226694262. Its totient is φ = 226694260.

The previous prime is 226694257. The next prime is 226694309. The reversal of 226694261 is 162496622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213335236 + 13359025 = 14606^2 + 3655^2 .

It is a cyclic number.

It is not a de Polignac number, because 226694261 - 2² = 226694257 is a prime.

It is a super-2 number, since 2×226694261² = 102780575940672242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226694161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113347130 + 113347131.

It is an arithmetic number, because the mean of its divisors is an integer number (113347131).

Almost surely, 2^226694261 is an apocalyptic number.

It is an amenable number.

226694261 is a deficient number, since it is larger than the sum of its proper divisors (1).

226694261 is an equidigital number, since it uses as much as digits as its factorization.

226694261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 226694261 is about 15056.3694495054. The cubic root of 226694261 is about 609.7430262223.

The spelling of 226694261 in words is "two hundred twenty-six million, six hundred ninety-four thousand, two hundred sixty-one".