22820829 has 8 divisors (see below), whose sum is σ = 30547200. Its totient is φ = 15154176.

The previous prime is 22820827. The next prime is 22820839. The reversal of 22820829 is 92802822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22820829 - 2¹ = 22820827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22820829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029 + ... + 15570.

It is an arithmetic number, because the mean of its divisors is an integer number (3818400).

Almost surely, 2^22820829 is an apocalyptic number.

It is an amenable number.

22820829 is a deficient number, since it is larger than the sum of its proper divisors (7726371).

22820829 is a wasteful number, since it uses less digits than its factorization.

22820829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29859.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22820829 is about 4777.1151336345. The cubic root of 22820829 is about 283.6463105131.

The spelling of 22820829 in words is "twenty-two million, eight hundred twenty thousand, eight hundred twenty-nine".