22673429 has 4 divisors (see below), whose sum is σ = 22683276. Its totient is φ = 22663584.

The previous prime is 22673401. The next prime is 22673449. The reversal of 22673429 is 92437622.

It is a happy number.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 21996100 = 823^2 + 4690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22673429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22673449) 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, 587 + ... + 6759.

It is an arithmetic number, because the mean of its divisors is an integer number (5670819).

Almost surely, 2^22673429 is an apocalyptic number.

It is an amenable number.

22673429 is a deficient number, since it is larger than the sum of its proper divisors (9847).

22673429 is an equidigital number, since it uses as much as digits as its factorization.

22673429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9846.

The product of its digits is 36288, while the sum is 35.

The square root of 22673429 is about 4761.6624197858. The cubic root of 22673429 is about 283.0342993468.

The spelling of 22673429 in words is "twenty-two million, six hundred seventy-three thousand, four hundred twenty-nine".