22683949 has 2 divisors, whose sum is σ = 22683950. Its totient is φ = 22683948.

The previous prime is 22683943. The next prime is 22683979. The reversal of 22683949 is 94938622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22184100 + 499849 = 4710^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 22683949 - 2⁵ = 22683917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22683943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11341974 + 11341975.

It is an arithmetic number, because the mean of its divisors is an integer number (11341975).

Almost surely, 2^22683949 is an apocalyptic number.

It is an amenable number.

22683949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22683949 is an equidigital number, since it uses as much as digits as its factorization.

22683949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 22683949 is about 4762.7669478991. The cubic root of 22683949 is about 283.0780665900.

It can be divided in two parts, 22683 and 949, that added together give a palindrome (23632).

The spelling of 22683949 in words is "twenty-two million, six hundred eighty-three thousand, nine hundred forty-nine".