226216236 has 12 divisors (see below), whose sum is σ = 527837912. Its totient is φ = 75405408.

The previous prime is 226216219. The next prime is 226216253. The reversal of 226216236 is 632612622.

It is an interprime number because it is at equal distance from previous prime (226216219) and next prime (226216253).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

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, 9425665 + ... + 9425688.

Almost surely, 2^226216236 is an apocalyptic number.

It is an amenable number.

226216236 is an abundant number, since it is smaller than the sum of its proper divisors (301621676).

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

226216236 is a wasteful number, since it uses less digits than its factorization.

226216236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851360 (or 18851358 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 226216236 is about 15040.4865612785. The cubic root of 226216236 is about 609.3141408991.

Adding to 226216236 its reverse (632612622), we get a palindrome (858828858).

The spelling of 226216236 in words is "two hundred twenty-six million, two hundred sixteen thousand, two hundred thirty-six".