15422042 has 8 divisors (see below), whose sum is σ = 23188032. Its totient is φ = 7692700.

The previous prime is 15422023. The next prime is 15422089. The reversal of 15422042 is 24022451.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 8084 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (2898504).

Almost surely, 2^15422042 is an apocalyptic number.

15422042 is a deficient number, since it is larger than the sum of its proper divisors (7765990).

15422042 is a wasteful number, since it uses less digits than its factorization.

15422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 15422042 is about 3927.0907807180. The cubic root of 15422042 is about 248.9128364884.

Adding to 15422042 its reverse (24022451), we get a palindrome (39444493).

The spelling of 15422042 in words is "fifteen million, four hundred twenty-two thousand, forty-two".