1163226247 has 4 divisors (see below), whose sum is σ = 1169253520. Its totient is φ = 1157198976.

The previous prime is 1163226217. The next prime is 1163226269. The reversal of 1163226247 is 7426223611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7426223611 = 17 ⋅436836683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163226247 is a prime.

It is a super-3 number, since 3×1163226247³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163226217) 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, 3013347 + ... + 3013732.

It is an arithmetic number, because the mean of its divisors is an integer number (292313380).

Almost surely, 2^1163226247 is an apocalyptic number.

1163226247 is a deficient number, since it is larger than the sum of its proper divisors (6027273).

1163226247 is an equidigital number, since it uses as much as digits as its factorization.

1163226247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027272.

The product of its digits is 24192, while the sum is 34.

The square root of 1163226247 is about 34106.1027823467. The cubic root of 1163226247 is about 1051.6907746642.

Adding to 1163226247 its reverse (7426223611), we get a palindrome (8589449858).

The spelling of 1163226247 in words is "one billion, one hundred sixty-three million, two hundred twenty-six thousand, two hundred forty-seven".