4172222 has 4 divisors (see below), whose sum is σ = 6258336. Its totient is φ = 2086110.

The previous prime is 4172183. The next prime is 4172239. The reversal of 4172222 is 2222714.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4172194 and 4172203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043054 + ... + 1043057.

It is an arithmetic number, because the mean of its divisors is an integer number (1564584).

Almost surely, 2^4172222 is an apocalyptic number.

4172222 is a deficient number, since it is larger than the sum of its proper divisors (2086114).

4172222 is a wasteful number, since it uses less digits than its factorization.

4172222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086113.

The product of its digits is 448, while the sum is 20.

The square root of 4172222 is about 2042.6017722503. The cubic root of 4172222 is about 160.9863805462.

Adding to 4172222 its reverse (2222714), we get a palindrome (6394936).

The spelling of 4172222 in words is "four million, one hundred seventy-two thousand, two hundred twenty-two".