22852789 has 2 divisors, whose sum is σ = 22852790. Its totient is φ = 22852788.

The previous prime is 22852787. The next prime is 22852807. The reversal of 22852789 is 98725822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15920100 + 6932689 = 3990^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 22852789 - 2¹ = 22852787 is a prime.

Together with 22852787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22852787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11426394 + 11426395.

It is an arithmetic number, because the mean of its divisors is an integer number (11426395).

Almost surely, 2^22852789 is an apocalyptic number.

It is an amenable number.

22852789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22852789 is an equidigital number, since it uses as much as digits as its factorization.

22852789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 22852789 is about 4780.4590783731. The cubic root of 22852789 is about 283.7786619342.

The spelling of 22852789 in words is "twenty-two million, eight hundred fifty-two thousand, seven hundred eighty-nine".