226468509 has 32 divisors (see below), whose sum is σ = 327131136. Its totient is φ = 138842880.

The previous prime is 226468493. The next prime is 226468531. The reversal of 226468509 is 905864622.

It is not a de Polignac number, because 226468509 - 2⁴ = 226468493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226468549) 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, 652474 + ... + 652820.

It is an arithmetic number, because the mean of its divisors is an integer number (10222848).

Almost surely, 2^226468509 is an apocalyptic number.

It is an amenable number.

226468509 is a deficient number, since it is larger than the sum of its proper divisors (100662627).

226468509 is a wasteful number, since it uses less digits than its factorization.

226468509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 226468509 is about 15048.8706885268. The cubic root of 226468509 is about 609.5405561271.

The spelling of 226468509 in words is "two hundred twenty-six million, four hundred sixty-eight thousand, five hundred nine".