26221242 has 32 divisors (see below), whose sum is σ = 57946752. Its totient is φ = 7867904.

The previous prime is 26221241. The next prime is 26221297. The reversal of 26221242 is 24212262.

It is not an unprimeable number, because it can be changed into a prime (26221241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3243 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (1810836).

Almost surely, 2^26221242 is an apocalyptic number.

26221242 is an abundant number, since it is smaller than the sum of its proper divisors (31725510).

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

26221242 is a wasteful number, since it uses less digits than its factorization.

26221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222.

The product of its digits is 768, while the sum is 21.

The square root of 26221242 is about 5120.6681204702. The cubic root of 26221242 is about 297.0875276268.

The spelling of 26221242 in words is "twenty-six million, two hundred twenty-one thousand, two hundred forty-two".