22540230029 has 2 divisors, whose sum is σ = 22540230030. Its totient is φ = 22540230028.

The previous prime is 22540230007. The next prime is 22540230047. The reversal of 22540230029 is 92003204522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22349652004 + 190578025 = 149498^2 + 13805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22540230029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22540229983 and 22540230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540230829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270115014 + 11270115015.

It is an arithmetic number, because the mean of its divisors is an integer number (11270115015).

Almost surely, 2^22540230029 is an apocalyptic number.

It is an amenable number.

22540230029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540230029 is an equidigital number, since it uses as much as digits as its factorization.

22540230029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 22540230029 in words is "twenty-two billion, five hundred forty million, two hundred thirty thousand, twenty-nine".