4400222 has 12 divisors (see below), whose sum is σ = 6901440. Its totient is φ = 2103948.

The previous prime is 4400213. The next prime is 4400261. The reversal of 4400222 is 2220044.

It is a happy number.

It is an Ulam number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4400197 and 4400206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (575120).

Almost surely, 2^4400222 is an apocalyptic number.

4400222 is a deficient number, since it is larger than the sum of its proper divisors (2501218).

4400222 is a wasteful number, since it uses less digits than its factorization.

4400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4184 counting only the distinct ones).

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

The square root of 4400222 is about 2097.6706128465. The cubic root of 4400222 is about 163.8670099726.

Adding to 4400222 its reverse (2220044), we get a palindrome (6620266).

The spelling of 4400222 in words is "four million, four hundred thousand, two hundred twenty-two".