42399322 has 8 divisors (see below), whose sum is σ = 72684576. Its totient is φ = 18171132.

The previous prime is 42399307. The next prime is 42399337. The reversal of 42399322 is 22399324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42399307) and next prime (42399337).

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, 1514248 + ... + 1514275.

It is an arithmetic number, because the mean of its divisors is an integer number (9085572).

Almost surely, 2^42399322 is an apocalyptic number.

42399322 is a deficient number, since it is larger than the sum of its proper divisors (30285254).

42399322 is a wasteful number, since it uses less digits than its factorization.

42399322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028532.

The product of its digits is 23328, while the sum is 34.

The square root of 42399322 is about 6511.4761767206. The cubic root of 42399322 is about 348.7008215920.

The spelling of 42399322 in words is "forty-two million, three hundred ninety-nine thousand, three hundred twenty-two".