226117228 has 24 divisors (see below), whose sum is σ = 404015472. Its totient is φ = 110704704.

The previous prime is 226117223. The next prime is 226117231. The reversal of 226117228 is 822711622.

It is a happy number.

It is a super-2 number, since 2×226117228² = 102258001596807968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226117228.

It is not an unprimeable number, because it can be changed into a prime (226117223) 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, 43926 + ... + 48802.

It is an arithmetic number, because the mean of its divisors is an integer number (16833978).

Almost surely, 2^226117228 is an apocalyptic number.

It is an amenable number.

226117228 is a deficient number, since it is larger than the sum of its proper divisors (177898244).

226117228 is a wasteful number, since it uses less digits than its factorization.

226117228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5119 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 226117228 is about 15037.1948181833. The cubic root of 226117228 is about 609.2252351413.

The spelling of 226117228 in words is "two hundred twenty-six million, one hundred seventeen thousand, two hundred twenty-eight".