26422481 has 2 divisors, whose sum is σ = 26422482. Its totient is φ = 26422480.

The previous prime is 26422453. The next prime is 26422493. The reversal of 26422481 is 18422462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18105025 + 8317456 = 4255^2 + 2884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26422481 is a prime.

It is a super-2 number, since 2×26422481² = 1396295004390722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26422421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211240 + 13211241.

It is an arithmetic number, because the mean of its divisors is an integer number (13211241).

Almost surely, 2^26422481 is an apocalyptic number.

It is an amenable number.

26422481 is a deficient number, since it is larger than the sum of its proper divisors (1).

26422481 is an equidigital number, since it uses as much as digits as its factorization.

26422481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 29.

The square root of 26422481 is about 5140.2802452785. The cubic root of 26422481 is about 297.8456064031.

The spelling of 26422481 in words is "twenty-six million, four hundred twenty-two thousand, four hundred eighty-one".