22885829 has 2 divisors, whose sum is σ = 22885830. Its totient is φ = 22885828.

The previous prime is 22885817. The next prime is 22885853. The reversal of 22885829 is 92858822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 10824100 = 3473^2 + 3290^2 .

It is a cyclic number.

It is not a de Polignac number, because 22885829 - 2⁴ = 22885813 is a prime.

It is a super-3 number, since 3×22885829³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22885829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22885729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442914 + 11442915.

It is an arithmetic number, because the mean of its divisors is an integer number (11442915).

Almost surely, 2^22885829 is an apocalyptic number.

It is an amenable number.

22885829 is a deficient number, since it is larger than the sum of its proper divisors (1).

22885829 is an equidigital number, since it uses as much as digits as its factorization.

22885829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 44.

The square root of 22885829 is about 4783.9135652727. The cubic root of 22885829 is about 283.9153561478.

The spelling of 22885829 in words is "twenty-two million, eight hundred eighty-five thousand, eight hundred twenty-nine".