22434229 has 4 divisors (see below), whose sum is σ = 22632876. Its totient is φ = 22235584.

The previous prime is 22434227. The next prime is 22434239. The reversal of 22434229 is 92243422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5640625 + 16793604 = 2375^2 + 4098^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434229 - 2¹ = 22434227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22434197 and 22434206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99154 + ... + 99379.

It is an arithmetic number, because the mean of its divisors is an integer number (5658219).

Almost surely, 2^22434229 is an apocalyptic number.

It is an amenable number.

22434229 is a deficient number, since it is larger than the sum of its proper divisors (198647).

22434229 is a wasteful number, since it uses less digits than its factorization.

22434229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198646.

The product of its digits is 6912, while the sum is 28.

The square root of 22434229 is about 4736.4785442352. The cubic root of 22434229 is about 282.0354607252.

It can be divided in two parts, 224 and 34229, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 22434229 in words is "twenty-two million, four hundred thirty-four thousand, two hundred twenty-nine".