1144226566 has 16 divisors (see below), whose sum is σ = 1976979456. Its totient is φ = 486520776.

The previous prime is 1144226561. The next prime is 1144226597. The reversal of 1144226566 is 6656224411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144226561) 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 7 ways as a sum of consecutive naturals, for example, 319996 + ... + 323551.

It is an arithmetic number, because the mean of its divisors is an integer number (123561216).

Almost surely, 2^1144226566 is an apocalyptic number.

1144226566 is a deficient number, since it is larger than the sum of its proper divisors (832752890).

1144226566 is a wasteful number, since it uses less digits than its factorization.

1144226566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643683.

The product of its digits is 69120, while the sum is 37.

The square root of 1144226566 is about 33826.4181668707. The cubic root of 1144226566 is about 1045.9333452939.

The spelling of 1144226566 in words is "one billion, one hundred forty-four million, two hundred twenty-six thousand, five hundred sixty-six".