12242299 has 4 divisors (see below), whose sum is σ = 12251736. Its totient is φ = 12232864.

The previous prime is 12242291. The next prime is 12242309. The reversal of 12242299 is 99224221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99224221 = 6733 ⋅14737.

It is a cyclic number.

It is not a de Polignac number, because 12242299 - 2³ = 12242291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12242299.

It is not an unprimeable number, because it can be changed into a prime (12242291) 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, 2389 + ... + 5494.

It is an arithmetic number, because the mean of its divisors is an integer number (3062934).

Almost surely, 2^12242299 is an apocalyptic number.

12242299 is a deficient number, since it is larger than the sum of its proper divisors (9437).

12242299 is an equidigital number, since it uses as much as digits as its factorization.

12242299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436.

The product of its digits is 5184, while the sum is 31.

The square root of 12242299 is about 3498.8996841864. The cubic root of 12242299 is about 230.4734983953.

The spelling of 12242299 in words is "twelve million, two hundred forty-two thousand, two hundred ninety-nine".