440222242 has 16 divisors (see below), whose sum is σ = 700908120. Its totient is φ = 206650368.

The previous prime is 440222219. The next prime is 440222243. The reversal of 440222242 is 242222044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 440202361 + 19881 = 20981^2 + 141^2 .

It is not an unprimeable number, because it can be changed into a prime (440222243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923 + ... + 29734.

Almost surely, 2^440222242 is an apocalyptic number.

440222242 is a deficient number, since it is larger than the sum of its proper divisors (260685878).

440222242 is a wasteful number, since it uses less digits than its factorization.

440222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 440222242 is about 20981.4737804569. The cubic root of 440222242 is about 760.7185275315.

Adding to 440222242 its reverse (242222044), we get a palindrome (682444286).

It can be divided in two parts, 44022 and 2242, that added together give a palindrome (46264).

The spelling of 440222242 in words is "four hundred forty million, two hundred twenty-two thousand, two hundred forty-two".