1144227 has 24 divisors (see below), whose sum is σ = 1840384. Its totient is φ = 619344.

The previous prime is 1144223. The next prime is 1144243. The reversal of 1144227 is 7224411.

It is a happy number.

It is not a de Polignac number, because 1144227 - 2² = 1144223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1144223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11058 + ... + 11160.

2^1144227 is an apocalyptic number.

1144227 is a deficient number, since it is larger than the sum of its proper divisors (696157).

1144227 is a wasteful number, since it uses less digits than its factorization.

1144227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 136 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1144227 is about 1069.6854677895. The cubic root of 1144227 is about 104.5933477533.

Adding to 1144227 its reverse (7224411), we get a palindrome (8368638).

The spelling of 1144227 in words is "one million, one hundred forty-four thousand, two hundred twenty-seven".