11229847 has 2 divisors, whose sum is σ = 11229848. Its totient is φ = 11229846.

The previous prime is 11229793. The next prime is 11229853. The reversal of 11229847 is 74892211.

It is a strong prime.

It is an emirp because it is prime and its reverse (74892211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11229847 is a prime.

It is a super-2 number, since 2×11229847² = 252218927286818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11229047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614923 + 5614924.

It is an arithmetic number, because the mean of its divisors is an integer number (5614924).

Almost surely, 2^11229847 is an apocalyptic number.

11229847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11229847 is an equidigital number, since it uses as much as digits as its factorization.

11229847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 11229847 is about 3351.0963877513. The cubic root of 11229847 is about 223.9363592060.

The spelling of 11229847 in words is "eleven million, two hundred twenty-nine thousand, eight hundred forty-seven".