17672225 has 12 divisors (see below), whose sum is σ = 22129536. Its totient is φ = 13998480.

The previous prime is 17672219. The next prime is 17672233. The reversal of 17672225 is 52227671.

It is not a de Polignac number, because 17672225 - 2²⁴ = 895009 is a prime.

It is a hoax number, since the sum of its digits (32) 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 = 17672191 and 17672200.

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, 857 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (1844128).

Almost surely, 2^17672225 is an apocalyptic number.

It is an amenable number.

17672225 is a deficient number, since it is larger than the sum of its proper divisors (4457311).

17672225 is a wasteful number, since it uses less digits than its factorization.

17672225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976 (or 6971 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 17672225 is about 4203.8345590663. The cubic root of 17672225 is about 260.4736189749.

Adding to 17672225 its reverse (52227671), we get a palindrome (69899896).

The spelling of 17672225 in words is "seventeen million, six hundred seventy-two thousand, two hundred twenty-five".