22802805 has 12 divisors (see below), whose sum is σ = 39524940. Its totient is φ = 12161472.

The previous prime is 22802783. The next prime is 22802807. The reversal of 22802805 is 50820822.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 11229201 = 3402^2 + 3351^2 .

It is not a de Polignac number, because 22802805 - 2⁷ = 22802677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22802807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253320 + ... + 253409.

It is an arithmetic number, because the mean of its divisors is an integer number (3293745).

Almost surely, 2^22802805 is an apocalyptic number.

It is an amenable number.

22802805 is a deficient number, since it is larger than the sum of its proper divisors (16722135).

22802805 is a wasteful number, since it uses less digits than its factorization.

22802805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506740 (or 506737 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 22802805 is about 4775.2282667952. The cubic root of 22802805 is about 283.5716157736.

The spelling of 22802805 in words is "twenty-two million, eight hundred two thousand, eight hundred five".