1144216319 has 2 divisors, whose sum is σ = 1144216320. Its totient is φ = 1144216318.

The previous prime is 1144216313. The next prime is 1144216349. The reversal of 1144216319 is 9136124411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144216319 - 2⁸ = 1144216063 is a prime.

It is a super-2 number, since 2×1144216319² = 2618461969331819522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144216313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572108159 + 572108160.

It is an arithmetic number, because the mean of its divisors is an integer number (572108160).

Almost surely, 2^1144216319 is an apocalyptic number.

1144216319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144216319 is an equidigital number, since it uses as much as digits as its factorization.

1144216319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 1144216319 is about 33826.2667020764. The cubic root of 1144216319 is about 1045.9302230361.

The spelling of 1144216319 in words is "one billion, one hundred forty-four million, two hundred sixteen thousand, three hundred nineteen".