4222222 has 8 divisors (see below), whose sum is σ = 6705936. Its totient is φ = 1986912.

The previous prime is 4222219. The next prime is 4222243. The reversal of 4222222 is 2222224.

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

4222222 is a modest number, since divided by 2222 gives 422 as remainder.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4222196 and 4222205.

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, 62058 + ... + 62125.

It is an arithmetic number, because the mean of its divisors is an integer number (838242).

Almost surely, 2^4222222 is an apocalyptic number.

4222222 is a deficient number, since it is larger than the sum of its proper divisors (2483714).

4222222 is a wasteful number, since it uses less digits than its factorization.

4222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124202.

The product of its digits is 256, while the sum is 16.

The square root of 4222222 is about 2054.8046135825. The cubic root of 4222222 is about 161.6269166924.

Adding to 4222222 its reverse (2222224), we get a palindrome (6444446).

It can be divided in two parts, 422222 and 2, that added together give a palindrome (422224).

The spelling of 4222222 in words is "four million, two hundred twenty-two thousand, two hundred twenty-two".