1144227782 has 16 divisors (see below), whose sum is σ = 1791688032. Its totient is φ = 547018560.

The previous prime is 1144227781. The next prime is 1144227787. The reversal of 1144227782 is 2877224411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144227781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202232 + ... + 207812.

It is an arithmetic number, because the mean of its divisors is an integer number (111980502).

Almost surely, 2^1144227782 is an apocalyptic number.

1144227782 is a deficient number, since it is larger than the sum of its proper divisors (647460250).

1144227782 is a wasteful number, since it uses less digits than its factorization.

1144227782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063.

The product of its digits is 50176, while the sum is 38.

The square root of 1144227782 is about 33826.4361409830. The cubic root of 1144227782 is about 1045.9337158075.

The spelling of 1144227782 in words is "one billion, one hundred forty-four million, two hundred twenty-seven thousand, seven hundred eighty-two".