26022865 has 12 divisors (see below), whose sum is σ = 34325172. Its totient is φ = 18925280.

The previous prime is 26022859. The next prime is 26022881. The reversal of 26022865 is 56822062.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 10601536 = 3927^2 + 3256^2 .

It is not a de Polignac number, because 26022865 - 2¹¹ = 26020817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20902 + ... + 22111.

It is an arithmetic number, because the mean of its divisors is an integer number (2860431).

Almost surely, 2^26022865 is an apocalyptic number.

It is an amenable number.

26022865 is a deficient number, since it is larger than the sum of its proper divisors (8302307).

26022865 is a wasteful number, since it uses less digits than its factorization.

26022865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43040 (or 43029 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 26022865 is about 5101.2611185863. The cubic root of 26022865 is about 296.3364243095.

The spelling of 26022865 in words is "twenty-six million, twenty-two thousand, eight hundred sixty-five".