1144022550 has 96 divisors (see below), whose sum is σ = 3102551424. Its totient is φ = 276672000.

The previous prime is 1144022501. The next prime is 1144022563. The reversal of 1144022550 is 552204411.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144022550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298110 + ... + 1298990.

It is an arithmetic number, because the mean of its divisors is an integer number (32318244).

Almost surely, 2^1144022550 is an apocalyptic number.

1144022550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144022550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551275712).

1144022550 is an abundant number, since it is smaller than the sum of its proper divisors (1958528874).

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

1144022550 is a wasteful number, since it uses less digits than its factorization.

1144022550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1144022550 is about 33823.4024012961. The cubic root of 1144022550 is about 1045.8711781709.

Adding to 1144022550 its reverse (552204411), we get a palindrome (1696226961).

The spelling of 1144022550 in words is "one billion, one hundred forty-four million, twenty-two thousand, five hundred fifty".