16167225 has 12 divisors (see below), whose sum is σ = 26729936. Its totient is φ = 8622480.

The previous prime is 16167211. The next prime is 16167253. The reversal of 16167225 is 52276161.

It is not a de Polignac number, because 16167225 - 2⁴ = 16167209 is a prime.

It is a super-2 number, since 2×16167225² = 522758328401250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16167192 and 16167201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107707 + ... + 107856.

Almost surely, 2^16167225 is an apocalyptic number.

16167225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16167225 is a deficient number, since it is larger than the sum of its proper divisors (10562711).

16167225 is a wasteful number, since it uses less digits than its factorization.

16167225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215576 (or 215571 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 16167225 is about 4020.8487909893. The cubic root of 16167225 is about 252.8590454616.

The spelling of 16167225 in words is "sixteen million, one hundred sixty-seven thousand, two hundred twenty-five".