1144022500 has 30 divisors (see below), whose sum is σ = 2501753870. Its totient is φ = 457608000.

The previous prime is 1144022459. The next prime is 1144022501. The reversal of 1144022500 is 52204411.

It can be written as a sum of positive squares in 5 ways, for example, as 663886756 + 480135744 = 25766^2 + 21912^2 .

It is not an unprimeable number, because it can be changed into a prime (1144022501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 226305 + ... + 231304.

Almost surely, 2^1144022500 is an apocalyptic number.

1144022500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144022500 is an abundant number, since it is smaller than the sum of its proper divisors (1357731370).

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

1144022500 is an equidigital number, since it uses as much as digits as its factorization.

1144022500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457633 (or 457616 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1144022500 is about 33823.4016621628. The cubic root of 1144022500 is about 1045.8711629341.

Adding to 1144022500 its reverse (52204411), we get a palindrome (1196226911).

The spelling of 1144022500 in words is "one billion, one hundred forty-four million, twenty-two thousand, five hundred".