16122272 has 12 divisors (see below), whose sum is σ = 31740786. Its totient is φ = 8061120.

The previous prime is 16122257. The next prime is 16122311. The reversal of 16122272 is 27222161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 3984016 = 3484^2 + 1996^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251879 + ... + 251942.

Almost surely, 2^16122272 is an apocalyptic number.

It is an amenable number.

16122272 is a deficient number, since it is larger than the sum of its proper divisors (15618514).

16122272 is an equidigital number, since it uses as much as digits as its factorization.

16122272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503831 (or 503823 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 16122272 is about 4015.2549109614. The cubic root of 16122272 is about 252.6244695611.

The spelling of 16122272 in words is "sixteen million, one hundred twenty-two thousand, two hundred seventy-two".