4422222 has 32 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 1263384.

The previous prime is 4422221. The next prime is 4422241. The reversal of 4422222 is 2222244.

4422222 is a `hidden beast` number, since 442 + 2 + 222 = 666.

4422222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

4422222 is a modest number, since divided by 2222 gives 442 as remainder.

It is a nialpdrome in base 10.

It is a zygodrome in base 10 and base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4422195 and 4422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5472 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 2^4422222 is an apocalyptic number.

4422222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4422222 is an abundant number, since it is smaller than the sum of its proper divisors (6809778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4422222 is a wasteful number, since it uses less digits than its factorization.

4422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717 (or 11711 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 4422222 is about 2102.9079865748. The cubic root of 4422222 is about 164.1396539967.

Adding to 4422222 its reverse (2222244), we get a palindrome (6644466).

It can be divided in two parts, 44222 and 22, that added together give a palindrome (44244).

The spelling of 4422222 in words is "four million, four hundred twenty-two thousand, two hundred twenty-two".