22486973 has 2 divisors, whose sum is σ = 22486974. Its totient is φ = 22486972.

The previous prime is 22486969. The next prime is 22487041. The reversal of 22486973 is 37968422.

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., 15077689 + 7409284 = 3883^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 22486973 - 2² = 22486969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22486973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22486913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11243486 + 11243487.

It is an arithmetic number, because the mean of its divisors is an integer number (11243487).

Almost surely, 2^22486973 is an apocalyptic number.

It is an amenable number.

22486973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22486973 is an equidigital number, since it uses as much as digits as its factorization.

22486973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 22486973 is about 4742.0431250675. The cubic root of 22486973 is about 282.2563142511.

The spelling of 22486973 in words is "twenty-two million, four hundred eighty-six thousand, nine hundred seventy-three".