1440655254222 has 8 divisors (see below), whose sum is σ = 2881310508456. Its totient is φ = 480218418072.

The previous prime is 1440655254217. The next prime is 1440655254293. The reversal of 1440655254222 is 2224525560441.

It is a happy number.

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

1440655254222 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 120054604513 + ... + 120054604524.

It is an arithmetic number, because the mean of its divisors is an integer number (360163813557).

Almost surely, 2^{1440655254222} is an apocalyptic number.

1440655254222 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.

1440655254222 is a wasteful number, since it uses less digits than its factorization.

1440655254222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240109209042.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 1440655254222 in words is "one trillion, four hundred forty billion, six hundred fifty-five million, two hundred fifty-four thousand, two hundred twenty-two".