22529849 has 4 divisors (see below), whose sum is σ = 22568436. Its totient is φ = 22491264.

The previous prime is 22529833. The next prime is 22529851. The reversal of 22529849 is 94892522.

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 5555449 + 16974400 = 2357^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 22529849 - 2⁴ = 22529833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22522849) 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, 18404 + ... + 19589.

It is an arithmetic number, because the mean of its divisors is an integer number (5642109).

Almost surely, 2^22529849 is an apocalyptic number.

It is an amenable number.

22529849 is a deficient number, since it is larger than the sum of its proper divisors (38587).

22529849 is an equidigital number, since it uses as much as digits as its factorization.

22529849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38586.

The product of its digits is 103680, while the sum is 41.

The square root of 22529849 is about 4746.5618082987. The cubic root of 22529849 is about 282.4355934306.

The spelling of 22529849 in words is "twenty-two million, five hundred twenty-nine thousand, eight hundred forty-nine".