26422919 has 2 divisors, whose sum is σ = 26422920. Its totient is φ = 26422918.

The previous prime is 26422909. The next prime is 26422931. The reversal of 26422919 is 91922462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26422919 - 2⁸ = 26422663 is a prime.

It is a super-2 number, since 2×26422919² = 1396341296961122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26422909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211459 + 13211460.

It is an arithmetic number, because the mean of its divisors is an integer number (13211460).

Almost surely, 2^26422919 is an apocalyptic number.

26422919 is a deficient number, since it is larger than the sum of its proper divisors (1).

26422919 is an equidigital number, since it uses as much as digits as its factorization.

26422919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 26422919 is about 5140.3228497829. The cubic root of 26422919 is about 297.8472521690.

The spelling of 26422919 in words is "twenty-six million, four hundred twenty-two thousand, nine hundred nineteen".