22839236 has 12 divisors (see below), whose sum is σ = 45678528. Its totient is φ = 9788232.

The previous prime is 22839217. The next prime is 22839239. The reversal of 22839236 is 63293822.

22839236 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22839196 and 22839205.

It is not an unprimeable number, because it can be changed into a prime (22839239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407816 + ... + 407871.

It is an arithmetic number, because the mean of its divisors is an integer number (3806544).

Almost surely, 2^22839236 is an apocalyptic number.

It is an amenable number.

22839236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22839236 is a wasteful number, since it uses less digits than its factorization.

22839236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815698 (or 815696 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 22839236 is about 4779.0413264587. The cubic root of 22839236 is about 283.7225518935.

The spelling of 22839236 in words is "twenty-two million, eight hundred thirty-nine thousand, two hundred thirty-six".