42223442 has 8 divisors (see below), whose sum is σ = 63362736. Its totient is φ = 21102532.

The previous prime is 42223429. The next prime is 42223513. The reversal of 42223442 is 24432224.

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, 6773 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (7920342).

Almost surely, 2^42223442 is an apocalyptic number.

42223442 is a deficient number, since it is larger than the sum of its proper divisors (21139294).

42223442 is a wasteful number, since it uses less digits than its factorization.

42223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192.

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

The square root of 42223442 is about 6497.9567557810. The cubic root of 42223442 is about 348.2179954877.

Adding to 42223442 its reverse (24432224), we get a palindrome (66655666).

The spelling of 42223442 in words is "forty-two million, two hundred twenty-three thousand, four hundred forty-two".