4220222 has 8 divisors (see below), whose sum is σ = 6342672. Its totient is φ = 2106000.

The previous prime is 4220207. The next prime is 4220239. The reversal of 4220222 is 2220224.

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 = 4220197 and 4220206.

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, 554 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (792834).

Almost surely, 2^4220222 is an apocalyptic number.

4220222 is a deficient number, since it is larger than the sum of its proper divisors (2122450).

4220222 is a wasteful number, since it uses less digits than its factorization.

4220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4220222 is about 2054.3178916614. The cubic root of 4220222 is about 161.6013926211.

Adding to 4220222 its reverse (2220224), we get a palindrome (6440446).

It can be divided in two parts, 42202 and 22, that added together give a palindrome (42224).

The spelling of 4220222 in words is "four million, two hundred twenty thousand, two hundred twenty-two".