22684520029 has 2 divisors, whose sum is σ = 22684520030. Its totient is φ = 22684520028.

The previous prime is 22684520021. The next prime is 22684520051. The reversal of 22684520029 is 92002548622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17675702500 + 5008817529 = 132950^2 + 70773^2 .

It is a cyclic number.

It is not a de Polignac number, because 22684520029 - 2³ = 22684520021 is a prime.

It is a super-5 number, since 5×22684520029⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22684519973 and 22684520000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22684520021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11342260014 + 11342260015.

It is an arithmetic number, because the mean of its divisors is an integer number (11342260015).

Almost surely, 2^22684520029 is an apocalyptic number.

It is an amenable number.

22684520029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22684520029 is an equidigital number, since it uses as much as digits as its factorization.

22684520029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 22684520029 in words is "twenty-two billion, six hundred eighty-four million, five hundred twenty thousand, twenty-nine".