22849863 has 4 divisors (see below), whose sum is σ = 30466488. Its totient is φ = 15233240.

The previous prime is 22849847. The next prime is 22849873. The reversal of 22849863 is 36894822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22849863 - 2⁴ = 22849847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22849873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808308 + ... + 3808313.

It is an arithmetic number, because the mean of its divisors is an integer number (7616622).

Almost surely, 2^22849863 is an apocalyptic number.

22849863 is a deficient number, since it is larger than the sum of its proper divisors (7616625).

22849863 is an equidigital number, since it uses as much as digits as its factorization.

22849863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616624.

The product of its digits is 165888, while the sum is 42.

The square root of 22849863 is about 4780.1530310232. The cubic root of 22849863 is about 283.7665500383.

The spelling of 22849863 in words is "twenty-two million, eight hundred forty-nine thousand, eight hundred sixty-three".