26220329 has 2 divisors, whose sum is σ = 26220330. Its totient is φ = 26220328.

The previous prime is 26220287. The next prime is 26220349. The reversal of 26220329 is 92302262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26214400 + 5929 = 5120^2 + 77^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26220329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26220298 and 26220307.

It is not a weakly prime, because it can be changed into another prime (26220349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13110164 + 13110165.

It is an arithmetic number, because the mean of its divisors is an integer number (13110165).

Almost surely, 2^26220329 is an apocalyptic number.

It is an amenable number.

26220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

26220329 is an equidigital number, since it uses as much as digits as its factorization.

26220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26220329 is about 5120.5789711711. The cubic root of 26220329 is about 297.0840794802.

The spelling of 26220329 in words is "twenty-six million, two hundred twenty thousand, three hundred twenty-nine".