26221652 has 6 divisors (see below), whose sum is σ = 45887898. Its totient is φ = 13110824.

The previous prime is 26221639. The next prime is 26221661. The reversal of 26221652 is 25612262.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 5827396 = 4516^2 + 2414^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277703 + ... + 3277710.

It is an arithmetic number, because the mean of its divisors is an integer number (7647983).

Almost surely, 2^26221652 is an apocalyptic number.

It is an amenable number.

26221652 is a deficient number, since it is larger than the sum of its proper divisors (19666246).

26221652 is a wasteful number, since it uses less digits than its factorization.

26221652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555417 (or 6555415 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 26221652 is about 5120.7081541521. The cubic root of 26221652 is about 297.0890760565.

The spelling of 26221652 in words is "twenty-six million, two hundred twenty-one thousand, six hundred fifty-two".