22246229 has 4 divisors (see below), whose sum is σ = 22258080. Its totient is φ = 22234380.

The previous prime is 22246223. The next prime is 22246247. The reversal of 22246229 is 92264222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92264222 = 2 ⋅46132111.

It is a cyclic number.

It is not a de Polignac number, because 22246229 - 2²⁰ = 21197653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246223) 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, 2417 + ... + 7094.

It is an arithmetic number, because the mean of its divisors is an integer number (5564520).

Almost surely, 2^22246229 is an apocalyptic number.

It is an amenable number.

22246229 is a deficient number, since it is larger than the sum of its proper divisors (11851).

22246229 is an equidigital number, since it uses as much as digits as its factorization.

22246229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850.

The product of its digits is 6912, while the sum is 29.

The square root of 22246229 is about 4716.5908238896. The cubic root of 22246229 is about 281.2454258351.

The spelling of 22246229 in words is "twenty-two million, two hundred forty-six thousand, two hundred twenty-nine".