16422426 has 24 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 5473980.

The previous prime is 16422409. The next prime is 16422443. The reversal of 16422426 is 62422461.

It is an interprime number because it is at equal distance from previous prime (16422409) and next prime (16422443).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16422426.

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 in 11 ways as a sum of consecutive naturals, for example, 16410 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (1537536).

Almost surely, 2^16422426 is an apocalyptic number.

16422426 is an abundant number, since it is smaller than the sum of its proper divisors (20478438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16422426 is an equidigital number, since it uses as much as digits as its factorization.

16422426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33808 (or 33796 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 16422426 is about 4052.4592533423. The cubic root of 16422426 is about 254.1825727691.

Adding to 16422426 its reverse (62422461), we get a palindrome (78844887).

The spelling of 16422426 in words is "sixteen million, four hundred twenty-two thousand, four hundred twenty-six".