1244200222320 has 320 divisors, whose sum is σ = 4396861440000. Its totient is φ = 288098821120.

The previous prime is 1244200222319. The next prime is 1244200222361. The reversal of 1244200222320 is 232220024421.

It is a super-2 number, since 2×1244200222320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43643431 + ... + 43671929.

It is an arithmetic number, because the mean of its divisors is an integer number (13740192000).

Almost surely, 2^{1244200222320} is an apocalyptic number.

1244200222320 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 1244200222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198430720000).

1244200222320 is an abundant number, since it is smaller than the sum of its proper divisors (3152661217680).

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

1244200222320 is a wasteful number, since it uses less digits than its factorization.

1244200222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29268 (or 29262 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1244200222320 its reverse (232220024421), we get a palindrome (1476420246741).

The spelling of 1244200222320 in words is "one trillion, two hundred forty-four billion, two hundred million, two hundred twenty-two thousand, three hundred twenty".