440322222 has 8 divisors (see below), whose sum is σ = 880644456. Its totient is φ = 146774072.

The previous prime is 440322199. The next prime is 440322229. The reversal of 440322222 is 222223044.

It is a sphenic number, since it is the product of 3 distinct primes.

440322222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440322229) 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, 36693513 + ... + 36693524.

It is an arithmetic number, because the mean of its divisors is an integer number (110080557).

Almost surely, 2^440322222 is an apocalyptic number.

440322222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

440322222 is a wasteful number, since it uses less digits than its factorization.

440322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73387042.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 440322222 is about 20983.8562232970. The cubic root of 440322222 is about 760.7761127494.

Adding to 440322222 its reverse (222223044), we get a palindrome (662545266).

The spelling of 440322222 in words is "four hundred forty million, three hundred twenty-two thousand, two hundred twenty-two".