1144022221400 has 24 divisors (see below), whose sum is σ = 2659851665220. Its totient is φ = 457608888480.

The previous prime is 1144022221361. The next prime is 1144022221403. The reversal of 1144022221400 is 41222204411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144022221403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2860055354 + ... + 2860055753.

Almost surely, 2^{1144022221400} is an apocalyptic number.

1144022221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144022221400 is an abundant number, since it is smaller than the sum of its proper divisors (1515829443820).

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

1144022221400 is a wasteful number, since it uses less digits than its factorization.

1144022221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720111123 (or 5720111114 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1144022221400 its reverse (41222204411), we get a palindrome (1185244425811).

The spelling of 1144022221400 in words is "one trillion, one hundred forty-four billion, twenty-two million, two hundred twenty-one thousand, four hundred".