22529693 has 2 divisors, whose sum is σ = 22529694. Its totient is φ = 22529692.

The previous prime is 22529671. The next prime is 22529699. The reversal of 22529693 is 39692522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21279769 + 1249924 = 4613^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 22529693 - 2⁶ = 22529629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22529699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11264846 + 11264847.

It is an arithmetic number, because the mean of its divisors is an integer number (11264847).

Almost surely, 2^22529693 is an apocalyptic number.

It is an amenable number.

22529693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22529693 is an equidigital number, since it uses as much as digits as its factorization.

22529693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 22529693 is about 4746.5453753230. The cubic root of 22529693 is about 282.4349415538.

The spelling of 22529693 in words is "twenty-two million, five hundred twenty-nine thousand, six hundred ninety-three".