4181222 has 8 divisors (see below), whose sum is σ = 6441456. Its totient is φ = 2034072.

The previous prime is 4181213. The next prime is 4181251. The reversal of 4181222 is 2221814.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4181194 and 4181203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28178 + ... + 28325.

It is an arithmetic number, because the mean of its divisors is an integer number (805182).

Almost surely, 2^4181222 is an apocalyptic number.

4181222 is a deficient number, since it is larger than the sum of its proper divisors (2260234).

4181222 is a wasteful number, since it uses less digits than its factorization.

4181222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56542.

The product of its digits is 256, while the sum is 20.

The square root of 4181222 is about 2044.8036580562. The cubic root of 4181222 is about 161.1020532715.

The spelling of 4181222 in words is "four million, one hundred eighty-one thousand, two hundred twenty-two".