1144022011 has 4 divisors (see below), whose sum is σ = 1248024024. Its totient is φ = 1040020000.

The previous prime is 1144022003. The next prime is 1144022029. The reversal of 1144022011 is 1102204411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144022011 - 2³ = 1144022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144022041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52000990 + ... + 52001011.

It is an arithmetic number, because the mean of its divisors is an integer number (312006006).

Almost surely, 2^1144022011 is an apocalyptic number.

1144022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144022011 is a deficient number, since it is larger than the sum of its proper divisors (104002013).

1144022011 is a wasteful number, since it uses less digits than its factorization.

1144022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104002012.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1144022011 is about 33823.3944334391. The cubic root of 1144022011 is about 1045.8710139187.

Adding to 1144022011 its reverse (1102204411), we get a palindrome (2246226422).

The spelling of 1144022011 in words is "one billion, one hundred forty-four million, twenty-two thousand, eleven".