22805829 has 12 divisors (see below), whose sum is σ = 32996236. Its totient is φ = 15178752.

The previous prime is 22805821. The next prime is 22805837. The reversal of 22805829 is 92850822.

It is an interprime number because it is at equal distance from previous prime (22805821) and next prime (22805837).

It can be written as a sum of positive squares in 2 ways, for example, as 11088900 + 11716929 = 3330^2 + 3423^2 .

It is not a de Polignac number, because 22805829 - 2³ = 22805821 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 22805793 and 22805802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22805821) 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, 4869 + ... + 8325.

Almost surely, 2^22805829 is an apocalyptic number.

It is an amenable number.

22805829 is a deficient number, since it is larger than the sum of its proper divisors (10190407).

22805829 is a wasteful number, since it uses less digits than its factorization.

22805829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 22805829 is about 4775.5448903764. The cubic root of 22805829 is about 283.5841505277.

The spelling of 22805829 in words is "twenty-two million, eight hundred five thousand, eight hundred twenty-nine".