16452274 has 4 divisors (see below), whose sum is σ = 24678414. Its totient is φ = 8226136.

The previous prime is 16452263. The next prime is 16452281. The reversal of 16452274 is 47225461.

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

It can be written as a sum of positive squares in only one way, i.e., 15563025 + 889249 = 3945^2 + 943^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 4113067 + ... + 4113070.

Almost surely, 2^16452274 is an apocalyptic number.

16452274 is a deficient number, since it is larger than the sum of its proper divisors (8226140).

16452274 is an equidigital number, since it uses as much as digits as its factorization.

16452274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226139.

The product of its digits is 13440, while the sum is 31.

The square root of 16452274 is about 4056.1402835701. The cubic root of 16452274 is about 254.3364730854.

The spelling of 16452274 in words is "sixteen million, four hundred fifty-two thousand, two hundred seventy-four".