22604665229 has 4 divisors (see below), whose sum is σ = 22609984476. Its totient is φ = 22599345984.

The previous prime is 22604665183. The next prime is 22604665243. The reversal of 22604665229 is 92256640622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92256640622 = 2 ⋅46128320311.

It can be written as a sum of positive squares in 2 ways, for example, as 3179832100 + 19424833129 = 56390^2 + 139373^2 .

It is a cyclic number.

It is not a de Polignac number, because 22604665229 - 2³² = 18309697933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22604665229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22604665289) 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, 2653244 + ... + 2661749.

It is an arithmetic number, because the mean of its divisors is an integer number (5652496119).

Almost surely, 2^22604665229 is an apocalyptic number.

It is an amenable number.

22604665229 is a deficient number, since it is larger than the sum of its proper divisors (5319247).

22604665229 is an equidigital number, since it uses as much as digits as its factorization.

22604665229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319246.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 22604665229 in words is "twenty-two billion, six hundred four million, six hundred sixty-five thousand, two hundred twenty-nine".