226525261 has 2 divisors, whose sum is σ = 226525262. Its totient is φ = 226525260.

The previous prime is 226525259. The next prime is 226525267. The reversal of 226525261 is 162525622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136749636 + 89775625 = 11694^2 + 9475^2 .

It is a cyclic number.

It is not a de Polignac number, because 226525261 - 2¹ = 226525259 is a prime.

It is a super-2 number, since 2×226525261² = 102627387742236242, which contains 22 as substring.

Together with 226525259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226525267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113262630 + 113262631.

It is an arithmetic number, because the mean of its divisors is an integer number (113262631).

Almost surely, 2^226525261 is an apocalyptic number.

It is an amenable number.

226525261 is a deficient number, since it is larger than the sum of its proper divisors (1).

226525261 is an equidigital number, since it uses as much as digits as its factorization.

226525261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 226525261 is about 15050.7561604060. The cubic root of 226525261 is about 609.5914679244.

The spelling of 226525261 in words is "two hundred twenty-six million, five hundred twenty-five thousand, two hundred sixty-one".