22482809 has 4 divisors (see below), whose sum is σ = 22520820. Its totient is φ = 22444800.

The previous prime is 22482797. The next prime is 22482827. The reversal of 22482809 is 90828422.

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 8065600 + 14417209 = 2840^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 22482809 - 2¹² = 22478713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22482839) 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, 18104 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (5630205).

Almost surely, 2^22482809 is an apocalyptic number.

It is an amenable number.

22482809 is a deficient number, since it is larger than the sum of its proper divisors (38011).

22482809 is an equidigital number, since it uses as much as digits as its factorization.

22482809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38010.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 22482809 is about 4741.6040534823. The cubic root of 22482809 is about 282.2388910101.

The spelling of 22482809 in words is "twenty-two million, four hundred eighty-two thousand, eight hundred nine".