26022247 has 2 divisors, whose sum is σ = 26022248. Its totient is φ = 26022246.

The previous prime is 26022239. The next prime is 26022277. The reversal of 26022247 is 74222062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26022247 - 2³ = 26022239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26022277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13011123 + 13011124.

It is an arithmetic number, because the mean of its divisors is an integer number (13011124).

Almost surely, 2^26022247 is an apocalyptic number.

26022247 is a deficient number, since it is larger than the sum of its proper divisors (1).

26022247 is an equidigital number, since it uses as much as digits as its factorization.

26022247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 26022247 is about 5101.2005449698. The cubic root of 26022247 is about 296.3340784577.

The spelling of 26022247 in words is "twenty-six million, twenty-two thousand, two hundred forty-seven".