16422742 has 24 divisors (see below), whose sum is σ = 28929096. Its totient is φ = 6971328.

The previous prime is 16422733. The next prime is 16422743. The reversal of 16422742 is 24722461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16422742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10333 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (1205379).

Almost surely, 2^16422742 is an apocalyptic number.

16422742 is a deficient number, since it is larger than the sum of its proper divisors (12506354).

16422742 is a wasteful number, since it uses less digits than its factorization.

16422742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1605 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 16422742 is about 4052.4982418257. The cubic root of 16422742 is about 254.1842030840.

The spelling of 16422742 in words is "sixteen million, four hundred twenty-two thousand, seven hundred forty-two".