440044022 has 16 divisors (see below), whose sum is σ = 723734352. Its totient is φ = 199002720.

The previous prime is 440043953. The next prime is 440044037. The reversal of 440044022 is 220440044.

It is a junction number, because it is equal to n+sod(n) for n = 440043985 and 440044003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46433 + ... + 55100.

It is an arithmetic number, because the mean of its divisors is an integer number (45233397).

Almost surely, 2^440044022 is an apocalyptic number.

440044022 is a deficient number, since it is larger than the sum of its proper divisors (283690330).

440044022 is a wasteful number, since it uses less digits than its factorization.

440044022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101743.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 440044022 is about 20977.2262704105. The cubic root of 440044022 is about 760.6158569993.

Adding to 440044022 its reverse (220440044), we get a palindrome (660484066).

The spelling of 440044022 in words is "four hundred forty million, forty-four thousand, twenty-two".