440224212 has 24 divisors (see below), whose sum is σ = 1028274912. Its totient is φ = 146586400.

The previous prime is 440224199. The next prime is 440224219. The reversal of 440224212 is 212422044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440224219) 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, 7239 + ... + 30542.

It is an arithmetic number, because the mean of its divisors is an integer number (42844788).

Almost surely, 2^440224212 is an apocalyptic number.

It is an amenable number.

440224212 is an abundant number, since it is smaller than the sum of its proper divisors (588050700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440224212 is a wasteful number, since it uses less digits than its factorization.

440224212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38759 (or 38757 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 440224212 is about 20981.5207265822. The cubic root of 440224212 is about 760.7196622714.

Adding to 440224212 its reverse (212422044), we get a palindrome (652646256).

The spelling of 440224212 in words is "four hundred forty million, two hundred twenty-four thousand, two hundred twelve".