22234529 has 4 divisors (see below), whose sum is σ = 22246980. Its totient is φ = 22222080.

The previous prime is 22234523. The next prime is 22234543. The reversal of 22234529 is 92543222.

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 17181025 + 5053504 = 4145^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 22234529 - 2²⁰ = 21185953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22234523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2984 + ... + 7305.

It is an arithmetic number, because the mean of its divisors is an integer number (5561745).

Almost surely, 2^22234529 is an apocalyptic number.

It is an amenable number.

22234529 is a deficient number, since it is larger than the sum of its proper divisors (12451).

22234529 is a wasteful number, since it uses less digits than its factorization.

22234529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450.

The product of its digits is 8640, while the sum is 29.

The square root of 22234529 is about 4715.3503581388. The cubic root of 22234529 is about 281.1961118813.

The spelling of 22234529 in words is "twenty-two million, two hundred thirty-four thousand, five hundred twenty-nine".