4154222 has 16 divisors (see below), whose sum is σ = 6709392. Its totient is φ = 1921920.

The previous prime is 4154209. The next prime is 4154263. The reversal of 4154222 is 2224514.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4154194 and 4154203.

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, 1073 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (419337).

Almost surely, 2^4154222 is an apocalyptic number.

4154222 is a deficient number, since it is larger than the sum of its proper divisors (2555170).

4154222 is a wasteful number, since it uses less digits than its factorization.

4154222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its digits is 640, while the sum is 20.

The square root of 4154222 is about 2038.1908644678. The cubic root of 4154222 is about 160.7545350949.

Adding to 4154222 its reverse (2224514), we get a palindrome (6378736).

The spelling of 4154222 in words is "four million, one hundred fifty-four thousand, two hundred twenty-two".