42162422 has 4 divisors (see below), whose sum is σ = 63243636. Its totient is φ = 21081210.

The previous prime is 42162413. The next prime is 42162443. The reversal of 42162422 is 22426124.

42162422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10540604 + ... + 10540607.

It is an arithmetic number, because the mean of its divisors is an integer number (15810909).

Almost surely, 2^42162422 is an apocalyptic number.

42162422 is a deficient number, since it is larger than the sum of its proper divisors (21081214).

42162422 is a wasteful number, since it uses less digits than its factorization.

42162422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081213.

The product of its digits is 1536, while the sum is 23.

The square root of 42162422 is about 6493.2597360648. The cubic root of 42162422 is about 348.0501700249.

Adding to 42162422 its reverse (22426124), we get a palindrome (64588546).

The spelling of 42162422 in words is "forty-two million, one hundred sixty-two thousand, four hundred twenty-two".