42228075 has 12 divisors (see below), whose sum is σ = 69817208. Its totient is φ = 22521600.

The previous prime is 42228071. The next prime is 42228079. The reversal of 42228075 is 57082224.

It is an interprime number because it is at equal distance from previous prime (42228071) and next prime (42228079).

It is not a de Polignac number, because 42228075 - 2² = 42228071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42228071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281446 + ... + 281595.

Almost surely, 2^42228075 is an apocalyptic number.

42228075 is a deficient number, since it is larger than the sum of its proper divisors (27589133).

42228075 is a wasteful number, since it uses less digits than its factorization.

42228075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563054 (or 563049 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42228075 is about 6498.3132426807. The cubic root of 42228075 is about 348.2307311854.

The spelling of 42228075 in words is "forty-two million, two hundred twenty-eight thousand, seventy-five".