440144222 has 8 divisors (see below), whose sum is σ = 754532976. Its totient is φ = 188633232.

The previous prime is 440144209. The next prime is 440144273. The reversal of 440144222 is 222441044.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15719423 + ... + 15719450.

It is an arithmetic number, because the mean of its divisors is an integer number (94316622).

Almost surely, 2^440144222 is an apocalyptic number.

440144222 is a deficient number, since it is larger than the sum of its proper divisors (314388754).

440144222 is a wasteful number, since it uses less digits than its factorization.

440144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31438882.

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

The square root of 440144222 is about 20979.6144387832. The cubic root of 440144222 is about 760.6735845001.

Adding to 440144222 its reverse (222441044), we get a palindrome (662585266).

The spelling of 440144222 in words is "four hundred forty million, one hundred forty-four thousand, two hundred twenty-two".