1444359222488 has 64 divisors (see below), whose sum is σ = 3334049328960. Its totient is φ = 571238401536.

The previous prime is 1444359222487. The next prime is 1444359222521. The reversal of 1444359222488 is 8842229534441.

It is a happy number.

It is a super-2 number, since 2×1444359222488² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444359222487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407070 + ... + 2946642.

It is an arithmetic number, because the mean of its divisors is an integer number (52094520765).

Almost surely, 2^{1444359222488} is an apocalyptic number.

It is an amenable number.

1444359222488 is an abundant number, since it is smaller than the sum of its proper divisors (1889690106472).

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

1444359222488 is a wasteful number, since it uses less digits than its factorization.

1444359222488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543276 (or 543272 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The spelling of 1444359222488 in words is "one trillion, four hundred forty-four billion, three hundred fifty-nine million, two hundred twenty-two thousand, four hundred eighty-eight".