26221014 has 24 divisors (see below), whose sum is σ = 57378672. Its totient is φ = 8653200.

The previous prime is 26221003. The next prime is 26221037. The reversal of 26221014 is 41012262.

26221014 = 25² + 26² + ... + 428².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5394 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (2390778).

Almost surely, 2^26221014 is an apocalyptic number.

26221014 is an abundant number, since it is smaller than the sum of its proper divisors (31157658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26221014 is a wasteful number, since it uses less digits than its factorization.

26221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14532 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 26221014 is about 5120.6458577019. The cubic root of 26221014 is about 297.0866665418.

Adding to 26221014 its reverse (41012262), we get a palindrome (67233276).

The spelling of 26221014 in words is "twenty-six million, two hundred twenty-one thousand, fourteen".