11862229 has 2 divisors, whose sum is σ = 11862230. Its totient is φ = 11862228.

The previous prime is 11862223. The next prime is 11862233. The reversal of 11862229 is 92226811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 1768900 = 3177^2 + 1330^2 .

It is an emirp because it is prime and its reverse (92226811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11862229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11862229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11862223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931114 + 5931115.

It is an arithmetic number, because the mean of its divisors is an integer number (5931115).

Almost surely, 2^11862229 is an apocalyptic number.

It is an amenable number.

11862229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11862229 is an equidigital number, since it uses as much as digits as its factorization.

11862229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 11862229 is about 3444.1586781099. The cubic root of 11862229 is about 228.0633160052.

The spelling of 11862229 in words is "eleven million, eight hundred sixty-two thousand, two hundred twenty-nine".