226809207 has 32 divisors (see below), whose sum is σ = 344088000. Its totient is φ = 147603456.

The previous prime is 226809199. The next prime is 226809211. The reversal of 226809207 is 702908622.

It is not a de Polignac number, because 226809207 - 2³ = 226809199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226809277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504919 + ... + 505367.

It is an arithmetic number, because the mean of its divisors is an integer number (10752750).

Almost surely, 2^226809207 is an apocalyptic number.

226809207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

226809207 is a deficient number, since it is larger than the sum of its proper divisors (117278793).

226809207 is a wasteful number, since it uses less digits than its factorization.

226809207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 226809207 is about 15060.1861542280. The cubic root of 226809207 is about 609.8460661477.

The spelling of 226809207 in words is "two hundred twenty-six million, eight hundred nine thousand, two hundred seven".