440223212 has 48 divisors (see below), whose sum is σ = 907345152. Its totient is φ = 184246080.

The previous prime is 440223209. The next prime is 440223227. The reversal of 440223212 is 212322044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321353 + ... + 322719.

It is an arithmetic number, because the mean of its divisors is an integer number (18903024).

Almost surely, 2^440223212 is an apocalyptic number.

It is an amenable number.

440223212 is an abundant number, since it is smaller than the sum of its proper divisors (467121940).

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

440223212 is a wasteful number, since it uses less digits than its factorization.

440223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440223212 is about 20981.4968960749. The cubic root of 440223212 is about 760.7190862617.

Adding to 440223212 its reverse (212322044), we get a palindrome (652545256).

The spelling of 440223212 in words is "four hundred forty million, two hundred twenty-three thousand, two hundred twelve".