226438836 has 24 divisors (see below), whose sum is σ = 569000544. Its totient is φ = 69673440.

The previous prime is 226438819. The next prime is 226438847. The reversal of 226438836 is 638834622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725610 + ... + 725921.

It is an arithmetic number, because the mean of its divisors is an integer number (23708356).

Almost surely, 2^226438836 is an apocalyptic number.

226438836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

226438836 is an abundant number, since it is smaller than the sum of its proper divisors (342561708).

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

226438836 is a wasteful number, since it uses less digits than its factorization.

226438836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451551 (or 1451549 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 226438836 is about 15047.8847682988. The cubic root of 226438836 is about 609.5139333132.

The spelling of 226438836 in words is "two hundred twenty-six million, four hundred thirty-eight thousand, eight hundred thirty-six".