26221064 has 16 divisors (see below), whose sum is σ = 51752400. Its totient is φ = 12420432.

The previous prime is 26221057. The next prime is 26221073. The reversal of 26221064 is 46012262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86102 + ... + 86405.

It is an arithmetic number, because the mean of its divisors is an integer number (3234525).

Almost surely, 2^26221064 is an apocalyptic number.

It is an amenable number.

26221064 is a deficient number, since it is larger than the sum of its proper divisors (25531336).

26221064 is a wasteful number, since it uses less digits than its factorization.

26221064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172532 (or 172528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 26221064 is about 5120.6507398962. The cubic root of 26221064 is about 297.0868553767.

The spelling of 26221064 in words is "twenty-six million, two hundred twenty-one thousand, sixty-four".