42421282 has 8 divisors (see below), whose sum is σ = 63732816. Its totient is φ = 21177012.

The previous prime is 42421279. The next prime is 42421283. The reversal of 42421282 is 28212424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42421283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15208 + ... + 17779.

It is an arithmetic number, because the mean of its divisors is an integer number (7966602).

Almost surely, 2^42421282 is an apocalyptic number.

42421282 is a deficient number, since it is larger than the sum of its proper divisors (21311534).

42421282 is a wasteful number, since it uses less digits than its factorization.

42421282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33632.

The product of its digits is 2048, while the sum is 25.

The square root of 42421282 is about 6513.1622120135. The cubic root of 42421282 is about 348.7610124005.

The spelling of 42421282 in words is "forty-two million, four hundred twenty-one thousand, two hundred eighty-two".