1153222247 has 2 divisors, whose sum is σ = 1153222248. Its totient is φ = 1153222246.

The previous prime is 1153222237. The next prime is 1153222249. The reversal of 1153222247 is 7422223511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153222247 is a prime.

Together with 1153222249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153222249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576611123 + 576611124.

It is an arithmetic number, because the mean of its divisors is an integer number (576611124).

Almost surely, 2^1153222247 is an apocalyptic number.

1153222247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153222247 is an equidigital number, since it uses as much as digits as its factorization.

1153222247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 1153222247 is about 33959.1261224431. The cubic root of 1153222247 is about 1048.6671666112.

Adding to 1153222247 its reverse (7422223511), we get a palindrome (8575445758).

The spelling of 1153222247 in words is "one billion, one hundred fifty-three million, two hundred twenty-two thousand, two hundred forty-seven".