228433942 has 8 divisors (see below), whose sum is σ = 373801032. Its totient is φ = 103833600.

The previous prime is 228433939. The next prime is 228433943. The reversal of 228433942 is 249334822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228433943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5191659 + ... + 5191702.

It is an arithmetic number, because the mean of its divisors is an integer number (46725129).

Almost surely, 2^228433942 is an apocalyptic number.

228433942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228433942 is a deficient number, since it is larger than the sum of its proper divisors (145367090).

228433942 is a wasteful number, since it uses less digits than its factorization.

228433942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383374.

The product of its digits is 82944, while the sum is 37.

The square root of 228433942 is about 15114.0312954552. The cubic root of 228433942 is about 611.2988021195.

The spelling of 228433942 in words is "two hundred twenty-eight million, four hundred thirty-three thousand, nine hundred forty-two".