1022443101440 has 72 divisors (see below), whose sum is σ = 2450656559400. Its totient is φ = 408712421376.

The previous prime is 1022443101431. The next prime is 1022443101451. The reversal of 1022443101440 is 441013442201.

It can be written as a sum of positive squares in 4 ways, for example, as 211953427456 + 810489673984 = 460384^2 + 900272^2 .

It is a super-2 number, since 2×1022443101440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724882 + ... + 2240558.

Almost surely, 2^{1022443101440} is an apocalyptic number.

1022443101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022443101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225328279700).

1022443101440 is an abundant number, since it is smaller than the sum of its proper divisors (1428213457960).

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

1022443101440 is an equidigital number, since it uses as much as digits as its factorization.

1022443101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517247 (or 517233 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1022443101440 its reverse (441013442201), we get a palindrome (1463456543641).

The spelling of 1022443101440 in words is "one trillion, twenty-two billion, four hundred forty-three million, one hundred one thousand, four hundred forty".