26221264 has 20 divisors (see below), whose sum is σ = 51102756. Its totient is φ = 13033472.

The previous prime is 26221241. The next prime is 26221297. The reversal of 26221264 is 46212262.

It can be written as a sum of positive squares in 2 ways, for example, as 24800400 + 1420864 = 4980^2 + 1192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969 + ... + 7504.

Almost surely, 2^26221264 is an apocalyptic number.

It is an amenable number.

26221264 is a deficient number, since it is larger than the sum of its proper divisors (24881492).

26221264 is a wasteful number, since it uses less digits than its factorization.

26221264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654 (or 9648 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 26221264 is about 5120.6702686269. The cubic root of 26221264 is about 297.0876107137.

The spelling of 26221264 in words is "twenty-six million, two hundred twenty-one thousand, two hundred sixty-four".