42887228 has 6 divisors (see below), whose sum is σ = 75052656. Its totient is φ = 21443612.

The previous prime is 42887197. The next prime is 42887263. The reversal of 42887228 is 82278824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360900 + ... + 5360907.

It is an arithmetic number, because the mean of its divisors is an integer number (12508776).

Almost surely, 2^42887228 is an apocalyptic number.

It is an amenable number.

42887228 is a deficient number, since it is larger than the sum of its proper divisors (32165428).

42887228 is a wasteful number, since it uses less digits than its factorization.

42887228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721811 (or 10721809 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 42887228 is about 6548.8340947072. The cubic root of 42887228 is about 350.0332703067.

The spelling of 42887228 in words is "forty-two million, eight hundred eighty-seven thousand, two hundred twenty-eight".