42999228 has 48 divisors (see below), whose sum is σ = 115332000. Its totient is φ = 13837824.

The previous prime is 42999191. The next prime is 42999241. The reversal of 42999228 is 82299924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3733 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (2402750).

Almost surely, 2^42999228 is an apocalyptic number.

It is an amenable number.

42999228 is an abundant number, since it is smaller than the sum of its proper divisors (72332772).

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

42999228 is a wasteful number, since it uses less digits than its factorization.

42999228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771 (or 13763 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 42999228 is about 6557.3796595896. The cubic root of 42999228 is about 350.3377094189.

The spelling of 42999228 in words is "forty-two million, nine hundred ninety-nine thousand, two hundred twenty-eight".