16427222 has 8 divisors (see below), whose sum is σ = 28160976. Its totient is φ = 7040232.

The previous prime is 16427209. The next prime is 16427227. The reversal of 16427222 is 22272461.

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

It is a junction number, because it is equal to n+sod(n) for n = 16427191 and 16427200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586673 + ... + 586700.

It is an arithmetic number, because the mean of its divisors is an integer number (3520122).

Almost surely, 2^16427222 is an apocalyptic number.

16427222 is a deficient number, since it is larger than the sum of its proper divisors (11733754).

16427222 is a wasteful number, since it uses less digits than its factorization.

16427222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173382.

The product of its digits is 2688, while the sum is 26.

The square root of 16427222 is about 4053.0509495934. The cubic root of 16427222 is about 254.2073141596.

Adding to 16427222 its reverse (22272461), we get a palindrome (38699683).

The spelling of 16427222 in words is "sixteen million, four hundred twenty-seven thousand, two hundred twenty-two".