42242458 has 8 divisors (see below), whose sum is σ = 63393120. Its totient is φ = 21111420.

The previous prime is 42242437. The next prime is 42242471. The reversal of 42242458 is 85424224.

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

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, 3073 + ... + 9691.

It is an arithmetic number, because the mean of its divisors is an integer number (7924140).

Almost surely, 2^42242458 is an apocalyptic number.

42242458 is a deficient number, since it is larger than the sum of its proper divisors (21150662).

42242458 is a wasteful number, since it uses less digits than its factorization.

42242458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812.

The product of its digits is 20480, while the sum is 31.

The square root of 42242458 is about 6499.4198202609. The cubic root of 42242458 is about 348.2702628166.

The spelling of 42242458 in words is "forty-two million, two hundred forty-two thousand, four hundred fifty-eight".