16247122 has 8 divisors (see below), whose sum is σ = 24512076. Its totient is φ = 8076432.

The previous prime is 16247113. The next prime is 16247123. The reversal of 16247122 is 22174261.

It can be written as a sum of positive squares in 2 ways, for example, as 16008001 + 239121 = 4001^2 + 489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16247123) 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, 23133 + ... + 23824.

Almost surely, 2^16247122 is an apocalyptic number.

16247122 is a deficient number, since it is larger than the sum of its proper divisors (8264954).

16247122 is a wasteful number, since it uses less digits than its factorization.

16247122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47132.

The product of its digits is 1344, while the sum is 25.

The square root of 16247122 is about 4030.7718863761. The cubic root of 16247122 is about 253.2748968785.

The spelling of 16247122 in words is "sixteen million, two hundred forty-seven thousand, one hundred twenty-two".