42217448 has 32 divisors (see below), whose sum is σ = 97426560. Its totient is φ = 16701120.

The previous prime is 42217423. The next prime is 42217463. The reversal of 42217448 is 84471224.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28268 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (3044580).

Almost surely, 2^42217448 is an apocalyptic number.

It is an amenable number.

42217448 is an abundant number, since it is smaller than the sum of its proper divisors (55209112).

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

42217448 is a wasteful number, since it uses less digits than its factorization.

42217448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58017 (or 58013 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 42217448 is about 6497.4955175052. The cubic root of 42217448 is about 348.2015171419.

The spelling of 42217448 in words is "forty-two million, two hundred seventeen thousand, four hundred forty-eight".