26221463 has 8 divisors (see below), whose sum is σ = 29225520. Its totient is φ = 23379840.

The previous prime is 26221411. The next prime is 26221471. The reversal of 26221463 is 36412262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26221463 - 2¹⁸ = 25959319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40268 + ... + 40913.

It is an arithmetic number, because the mean of its divisors is an integer number (3653190).

Almost surely, 2^26221463 is an apocalyptic number.

26221463 is a deficient number, since it is larger than the sum of its proper divisors (3004057).

26221463 is a wasteful number, since it uses less digits than its factorization.

26221463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81217.

The product of its digits is 3456, while the sum is 26.

The square root of 26221463 is about 5120.6896996401. The cubic root of 26221463 is about 297.0883622702.

The spelling of 26221463 in words is "twenty-six million, two hundred twenty-one thousand, four hundred sixty-three".