226863909 has 40 divisors (see below), whose sum is σ = 354229920. Its totient is φ = 144548064.

The previous prime is 226863907. The next prime is 226863911. The reversal of 226863909 is 909368622.

226863909 is a `hidden beast` number, since 2 + 2 + 6 + 8 + 639 + 0 + 9 = 666.

226863909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (226863907) and next prime (226863911).

It is not a de Polignac number, because 226863909 - 2¹ = 226863907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226863907) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176182 + ... + 177464.

It is an arithmetic number, because the mean of its divisors is an integer number (8855748).

Almost surely, 2^226863909 is an apocalyptic number.

It is an amenable number.

226863909 is a deficient number, since it is larger than the sum of its proper divisors (127366011).

226863909 is a wasteful number, since it uses less digits than its factorization.

226863909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 226863909 is about 15062.0021577478. The cubic root of 226863909 is about 609.8950899041.

The spelling of 226863909 in words is "two hundred twenty-six million, eight hundred sixty-three thousand, nine hundred nine".