16422142 has 16 divisors (see below), whose sum is σ = 26934912. Its totient is φ = 7447320.

The previous prime is 16422139. The next prime is 16422143. The reversal of 16422142 is 24122461.

It is a happy number.

16422142 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17653 + ... + 18559.

It is an arithmetic number, because the mean of its divisors is an integer number (1683432).

Almost surely, 2^16422142 is an apocalyptic number.

16422142 is a deficient number, since it is larger than the sum of its proper divisors (10512770).

16422142 is a wasteful number, since it uses less digits than its factorization.

16422142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 768, while the sum is 22.

The square root of 16422142 is about 4052.4242127398. The cubic root of 16422142 is about 254.1811075315.

The spelling of 16422142 in words is "sixteen million, four hundred twenty-two thousand, one hundred forty-two".