440222144 has 28 divisors (see below), whose sum is σ = 875919000. Its totient is φ = 219518208.

The previous prime is 440222141. The next prime is 440222147. The reversal of 440222144 is 441222044.

It is an interprime number because it is at equal distance from previous prime (440222141) and next prime (440222147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440222141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15182 + ... + 33330.

Almost surely, 2^440222144 is an apocalyptic number.

It is an amenable number.

440222144 is a deficient number, since it is larger than the sum of its proper divisors (435696856).

440222144 is a wasteful number, since it uses less digits than its factorization.

440222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540 (or 18530 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 440222144 is about 20981.4714450631. The cubic root of 440222144 is about 760.7184710824.

Adding to 440222144 its reverse (441222044), we get a palindrome (881444188).

The spelling of 440222144 in words is "four hundred forty million, two hundred twenty-two thousand, one hundred forty-four".