1144022231 has 8 divisors (see below), whose sum is σ = 1302286464. Its totient is φ = 994801720.

The previous prime is 1144022197. The next prime is 1144022239. The reversal of 1144022231 is 1322204411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144022231 - 2¹⁴ = 1144005847 is a prime.

It is a super-2 number, since 2×1144022231² = 2617573730044434722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144022239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260661 + ... + 2261166.

It is an arithmetic number, because the mean of its divisors is an integer number (162785808).

Almost surely, 2^1144022231 is an apocalyptic number.

1144022231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144022231 is a deficient number, since it is larger than the sum of its proper divisors (158264233).

1144022231 is a wasteful number, since it uses less digits than its factorization.

1144022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521861.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144022231 is about 33823.3976856258. The cubic root of 1144022231 is about 1045.8710809604.

Adding to 1144022231 its reverse (1322204411), we get a palindrome (2466226642).

The spelling of 1144022231 in words is "one billion, one hundred forty-four million, twenty-two thousand, two hundred thirty-one".