228429118 has 16 divisors (see below), whose sum is σ = 354738240. Its totient is φ = 110249856.

The previous prime is 228429109. The next prime is 228429137. The reversal of 228429118 is 811924822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9783 + ... + 23506.

It is an arithmetic number, because the mean of its divisors is an integer number (22171140).

Almost surely, 2^228429118 is an apocalyptic number.

228429118 is a deficient number, since it is larger than the sum of its proper divisors (126309122).

228429118 is a wasteful number, since it uses less digits than its factorization.

228429118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411.

The product of its digits is 18432, while the sum is 37.

The square root of 228429118 is about 15113.8717078054. The cubic root of 228429118 is about 611.2944990138.

The spelling of 228429118 in words is "two hundred twenty-eight million, four hundred twenty-nine thousand, one hundred eighteen".