42227768 has 16 divisors (see below), whose sum is σ = 86375160. Its totient is φ = 19194400.

The previous prime is 42227729. The next prime is 42227777. The reversal of 42227768 is 86772224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239843 + ... + 240018.

Almost surely, 2^42227768 is an apocalyptic number.

It is an amenable number.

42227768 is an abundant number, since it is smaller than the sum of its proper divisors (44147392).

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

42227768 is a wasteful number, since it uses less digits than its factorization.

42227768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479878 (or 479874 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 42227768 is about 6498.2896211234. The cubic root of 42227768 is about 348.2298872990.

The spelling of 42227768 in words is "forty-two million, two hundred twenty-seven thousand, seven hundred sixty-eight".