228433166 has 16 divisors (see below), whose sum is σ = 375059328. Its totient is φ = 103701600.

The previous prime is 228433159. The next prime is 228433169. The reversal of 228433166 is 661334822.

It is a super-2 number, since 2×228433166² = 104363422657567112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228433169) 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, 70430 + ... + 73601.

It is an arithmetic number, because the mean of its divisors is an integer number (23441208).

Almost surely, 2^228433166 is an apocalyptic number.

228433166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228433166 is a deficient number, since it is larger than the sum of its proper divisors (146626162).

228433166 is a wasteful number, since it uses less digits than its factorization.

228433166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144107.

The product of its digits is 41472, while the sum is 35.

The square root of 228433166 is about 15114.0056239238. The cubic root of 228433166 is about 611.2981099158.

Adding to 228433166 its reverse (661334822), we get a palindrome (889767988).

The spelling of 228433166 in words is "two hundred twenty-eight million, four hundred thirty-three thousand, one hundred sixty-six".