42199982 has 8 divisors (see below), whose sum is σ = 69054552. Its totient is φ = 19181800.

The previous prime is 42199951. The next prime is 42199987. The reversal of 42199982 is 28999124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42199987) 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, 959069 + ... + 959112.

It is an arithmetic number, because the mean of its divisors is an integer number (8631819).

Almost surely, 2^42199982 is an apocalyptic number.

42199982 is a deficient number, since it is larger than the sum of its proper divisors (26854570).

42199982 is a wasteful number, since it uses less digits than its factorization.

42199982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918194.

The product of its digits is 93312, while the sum is 44.

The square root of 42199982 is about 6496.1513221291. The cubic root of 42199982 is about 348.1534917647.

The spelling of 42199982 in words is "forty-two million, one hundred ninety-nine thousand, nine hundred eighty-two".