22613873 has 2 divisors, whose sum is σ = 22613874. Its totient is φ = 22613872.

The previous prime is 22613869. The next prime is 22613887. The reversal of 22613873 is 37831622.

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., 21464689 + 1149184 = 4633^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 22613873 - 2² = 22613869 is a prime.

It is a super-3 number, since 3×22613873³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (22613803) 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 as a sum of consecutive naturals, namely, 11306936 + 11306937.

It is an arithmetic number, because the mean of its divisors is an integer number (11306937).

Almost surely, 2^22613873 is an apocalyptic number.

It is an amenable number.

22613873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22613873 is an equidigital number, since it uses as much as digits as its factorization.

22613873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 22613873 is about 4755.4046094943. The cubic root of 22613873 is about 282.7862678863.

The spelling of 22613873 in words is "twenty-two million, six hundred thirteen thousand, eight hundred seventy-three".