444442222 has 32 divisors (see below), whose sum is σ = 777484800. Its totient is φ = 186611040.

The previous prime is 444442213. The next prime is 444442223. The reversal of 444442222 is 222244444.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444442223) 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, 185472 + ... + 187852.

It is an arithmetic number, because the mean of its divisors is an integer number (24296400).

Almost surely, 2^444442222 is an apocalyptic number.

444442222 is a deficient number, since it is larger than the sum of its proper divisors (333042578).

444442222 is a wasteful number, since it uses less digits than its factorization.

444442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its digits is 16384, while the sum is 28.

The square root of 444442222 is about 21081.7983578252. The cubic root of 444442222 is about 763.1415563349.

Adding to 444442222 its reverse (222244444), we get a palindrome (666686666).

It can be divided in two parts, 4444422 and 22, that added together give a palindrome (4444444).

The spelling of 444442222 in words is "four hundred forty-four million, four hundred forty-two thousand, two hundred twenty-two".