16123222 has 4 divisors (see below), whose sum is σ = 24184836. Its totient is φ = 8061610.

The previous prime is 16123213. The next prime is 16123241. The reversal of 16123222 is 22232161.

16123222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×16123222² = 519916575322568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16123222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030804 + ... + 4030807.

It is an arithmetic number, because the mean of its divisors is an integer number (6046209).

Almost surely, 2^16123222 is an apocalyptic number.

16123222 is a deficient number, since it is larger than the sum of its proper divisors (8061614).

16123222 is an equidigital number, since it uses as much as digits as its factorization.

16123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061613.

The product of its digits is 288, while the sum is 19.

The square root of 16123222 is about 4015.3732080592. The cubic root of 16123222 is about 252.6294314038.

Adding to 16123222 its reverse (22232161), we get a palindrome (38355383).

The spelling of 16123222 in words is "sixteen million, one hundred twenty-three thousand, two hundred twenty-two".