16225994 has 8 divisors (see below), whose sum is σ = 25397280. Its totient is φ = 7760236.

The previous prime is 16225991. The next prime is 16225999. The reversal of 16225994 is 49952261.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16225991) 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, 176324 + ... + 176415.

It is an arithmetic number, because the mean of its divisors is an integer number (3174660).

Almost surely, 2^16225994 is an apocalyptic number.

16225994 is a deficient number, since it is larger than the sum of its proper divisors (9171286).

16225994 is a wasteful number, since it uses less digits than its factorization.

16225994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352764.

The product of its digits is 38880, while the sum is 38.

The square root of 16225994 is about 4028.1501958095. The cubic root of 16225994 is about 253.1650617687.

The spelling of 16225994 in words is "sixteen million, two hundred twenty-five thousand, nine hundred ninety-four".