42213982 has 8 divisors (see below), whose sum is σ = 63410256. Its totient is φ = 21077232.

The previous prime is 42213979. The next prime is 42214001. The reversal of 42213982 is 28931224.

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

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, 13063 + ... + 15970.

It is an arithmetic number, because the mean of its divisors is an integer number (7926282).

Almost surely, 2^42213982 is an apocalyptic number.

42213982 is a deficient number, since it is larger than the sum of its proper divisors (21196274).

42213982 is a wasteful number, since it uses less digits than its factorization.

42213982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29762.

The product of its digits is 6912, while the sum is 31.

The square root of 42213982 is about 6497.2287938782. The cubic root of 42213982 is about 348.1919879105.

The spelling of 42213982 in words is "forty-two million, two hundred thirteen thousand, nine hundred eighty-two".