4172205 has 8 divisors (see below), whose sum is σ = 6675552. Its totient is φ = 2225168.

The previous prime is 4172183. The next prime is 4172239. The reversal of 4172205 is 5022714.

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

It is a cyclic number.

It is not a de Polignac number, because 4172205 - 2⁶ = 4172141 is a prime.

4172205 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139059 + ... + 139088.

It is an arithmetic number, because the mean of its divisors is an integer number (834444).

Almost surely, 2^4172205 is an apocalyptic number.

It is an amenable number.

4172205 is a deficient number, since it is larger than the sum of its proper divisors (2503347).

4172205 is a wasteful number, since it uses less digits than its factorization.

4172205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278155.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4172205 is about 2042.5976108867. The cubic root of 4172205 is about 160.9861618959.

Adding to 4172205 its reverse (5022714), we get a palindrome (9194919).

The spelling of 4172205 in words is "four million, one hundred seventy-two thousand, two hundred five".