22573429 has 2 divisors, whose sum is σ = 22573430. Its totient is φ = 22573428.

The previous prime is 22573417. The next prime is 22573457. The reversal of 22573429 is 92437522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18472804 + 4100625 = 4298^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 22573429 - 2¹³ = 22565237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22573394 and 22573403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22573129) 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 as a sum of consecutive naturals, namely, 11286714 + 11286715.

It is an arithmetic number, because the mean of its divisors is an integer number (11286715).

Almost surely, 2^22573429 is an apocalyptic number.

It is an amenable number.

22573429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22573429 is an equidigital number, since it uses as much as digits as its factorization.

22573429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 22573429 is about 4751.1502817739. The cubic root of 22573429 is about 282.6175833387.

The spelling of 22573429 in words is "twenty-two million, five hundred seventy-three thousand, four hundred twenty-nine".