226605261 has 16 divisors (see below), whose sum is σ = 306201024. Its totient is φ = 149053824.

The previous prime is 226605209. The next prime is 226605299. The reversal of 226605261 is 162506622.

226605261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226605261 - 2¹⁴ = 226588877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226605161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69510 + ... + 72696.

It is an arithmetic number, because the mean of its divisors is an integer number (19137564).

Almost surely, 2^226605261 is an apocalyptic number.

It is an amenable number.

226605261 is a deficient number, since it is larger than the sum of its proper divisors (79595763).

226605261 is a wasteful number, since it uses less digits than its factorization.

226605261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 226605261 is about 15053.4135995793. The cubic root of 226605261 is about 609.6632208898.

The spelling of 226605261 in words is "two hundred twenty-six million, six hundred five thousand, two hundred sixty-one".