2144222 has 8 divisors (see below), whose sum is σ = 3255336. Its totient is φ = 1059112.

The previous prime is 2144213. The next prime is 2144243. The reversal of 2144222 is 2224412.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2144222.

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 in 3 ways as a sum of consecutive naturals, for example, 6293 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (406917).

2^2144222 is an apocalyptic number.

2144222 is a deficient number, since it is larger than the sum of its proper divisors (1111114).

2144222 is a wasteful number, since it uses less digits than its factorization.

2144222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

The product of its digits is 256, while the sum is 17.

The square root of 2144222 is about 1464.3162226787. The cubic root of 2144222 is about 128.9505649573.

Adding to 2144222 its reverse (2224412), we get a palindrome (4368634).

The spelling of 2144222 in words is "two million, one hundred forty-four thousand, two hundred twenty-two".