226443222 has 16 divisors (see below), whose sum is σ = 503207280. Its totient is φ = 75481056.

The previous prime is 226443221. The next prime is 226443229. The reversal of 226443222 is 222344622.

It is a happy number.

226443222 is a `hidden beast` number, since 226 + 4 + 432 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226443221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096643 + ... + 2096750.

It is an arithmetic number, because the mean of its divisors is an integer number (31450455).

Almost surely, 2^226443222 is an apocalyptic number.

226443222 is an abundant number, since it is smaller than the sum of its proper divisors (276764058).

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

226443222 is a wasteful number, since it uses less digits than its factorization.

226443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193404 (or 4193398 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 226443222 is about 15048.0305023614. The cubic root of 226443222 is about 609.5178686082.

Adding to 226443222 its reverse (222344622), we get a palindrome (448787844).

The spelling of 226443222 in words is "two hundred twenty-six million, four hundred forty-three thousand, two hundred twenty-two".