26913222 has 72 divisors (see below), whose sum is σ = 69438096. Its totient is φ = 7663248.

The previous prime is 26913203. The next prime is 26913223. The reversal of 26913222 is 22231962.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26913223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91708 + ... + 92000.

It is an arithmetic number, because the mean of its divisors is an integer number (964418).

Almost surely, 2^26913222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26913222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34719048).

26913222 is an abundant number, since it is smaller than the sum of its proper divisors (42524874).

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

26913222 is an frugal number, since it uses more digits than its factorization.

26913222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 305 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 26913222 is about 5187.7954855603. The cubic root of 26913222 is about 299.6782550573.

The spelling of 26913222 in words is "twenty-six million, nine hundred thirteen thousand, two hundred twenty-two".