16225894 has 4 divisors (see below), whose sum is σ = 24338844. Its totient is φ = 8112946.

The previous prime is 16225861. The next prime is 16225903. The reversal of 16225894 is 49852261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49852261 = 1153 ⋅43237.

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, 4056472 + ... + 4056475.

It is an arithmetic number, because the mean of its divisors is an integer number (6084711).

Almost surely, 2^16225894 is an apocalyptic number.

16225894 is a deficient number, since it is larger than the sum of its proper divisors (8112950).

16225894 is an equidigital number, since it uses as much as digits as its factorization.

16225894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112949.

The product of its digits is 34560, while the sum is 37.

The square root of 16225894 is about 4028.1377831450. The cubic root of 16225894 is about 253.1645416863.

The spelling of 16225894 in words is "sixteen million, two hundred twenty-five thousand, eight hundred ninety-four".