42322442 has 8 divisors (see below), whose sum is σ = 63940800. Its totient is φ = 21008844.

The previous prime is 42322439. The next prime is 42322457. The reversal of 42322442 is 24422324.

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, 75842 + ... + 76397.

It is an arithmetic number, because the mean of its divisors is an integer number (7992600).

Almost surely, 2^42322442 is an apocalyptic number.

42322442 is a deficient number, since it is larger than the sum of its proper divisors (21618358).

42322442 is a wasteful number, since it uses less digits than its factorization.

42322442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152380.

The product of its digits is 3072, while the sum is 23.

The square root of 42322442 is about 6505.5700749435. The cubic root of 42322442 is about 348.4899350543.

Adding to 42322442 its reverse (24422324), we get a palindrome (66744766).

The spelling of 42322442 in words is "forty-two million, three hundred twenty-two thousand, four hundred forty-two".