16225886 has 8 divisors (see below), whose sum is σ = 25619880. Its totient is φ = 7685928.

The previous prime is 16225861. The next prime is 16225903. The reversal of 16225886 is 68852261.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 426997 = 16225886 / (1 + 6 + 2 + 2 + 5 + 8 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213461 + ... + 213536.

It is an arithmetic number, because the mean of its divisors is an integer number (3202485).

Almost surely, 2^16225886 is an apocalyptic number.

16225886 is a deficient number, since it is larger than the sum of its proper divisors (9393994).

16225886 is a wasteful number, since it uses less digits than its factorization.

16225886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427018.

The product of its digits is 46080, while the sum is 38.

The square root of 16225886 is about 4028.1367901301. The cubic root of 16225886 is about 253.1645000797.

The spelling of 16225886 in words is "sixteen million, two hundred twenty-five thousand, eight hundred eighty-six".