4172422 has 4 divisors (see below), whose sum is σ = 6258636. Its totient is φ = 2086210.

The previous prime is 4172417. The next prime is 4172431. The reversal of 4172422 is 2242714.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2242714 = 2 ⋅1121357.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4172393 and 4172402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043104 + ... + 1043107.

It is an arithmetic number, because the mean of its divisors is an integer number (1564659).

Almost surely, 2^4172422 is an apocalyptic number.

4172422 is a deficient number, since it is larger than the sum of its proper divisors (2086214).

4172422 is a wasteful number, since it uses less digits than its factorization.

4172422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086213.

The product of its digits is 896, while the sum is 22.

The square root of 4172422 is about 2042.6507288325. The cubic root of 4172422 is about 160.9889528575.

The spelling of 4172422 in words is "four million, one hundred seventy-two thousand, four hundred twenty-two".