226439312 has 20 divisors (see below), whose sum is σ = 478610736. Its totient is φ = 102926880.

The previous prime is 226439309. The next prime is 226439327. The reversal of 226439312 is 213934622.

226439312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643118 + ... + 643469.

Almost surely, 2^226439312 is an apocalyptic number.

226439312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

226439312 is an abundant number, since it is smaller than the sum of its proper divisors (252171424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226439312 is a wasteful number, since it uses less digits than its factorization.

226439312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286606 (or 1286600 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 226439312 is about 15047.9005844669. The cubic root of 226439312 is about 609.5143604019.

The spelling of 226439312 in words is "two hundred twenty-six million, four hundred thirty-nine thousand, three hundred twelve".