42333228 has 72 divisors (see below), whose sum is σ = 126264320. Its totient is φ = 11702880.

The previous prime is 42333173. The next prime is 42333233. The reversal of 42333228 is 82233324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5103 + ... + 10521.

Almost surely, 2^42333228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42333228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63132160).

42333228 is an abundant number, since it is smaller than the sum of its proper divisors (83931092).

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

42333228 is a wasteful number, since it uses less digits than its factorization.

42333228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5462 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 42333228 is about 6506.3990040575. The cubic root of 42333228 is about 348.5195371046.

The spelling of 42333228 in words is "forty-two million, three hundred thirty-three thousand, two hundred twenty-eight".