26622320 has 20 divisors (see below), whose sum is σ = 61897080. Its totient is φ = 10648896.

The previous prime is 26622317. The next prime is 26622359. The reversal of 26622320 is 2322662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166310 + ... + 166469.

It is an arithmetic number, because the mean of its divisors is an integer number (3094854).

Almost surely, 2^26622320 is an apocalyptic number.

26622320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26622320 is an abundant number, since it is smaller than the sum of its proper divisors (35274760).

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

26622320 is a wasteful number, since it uses less digits than its factorization.

26622320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332792 (or 332786 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 26622320 is about 5159.6821607537. The cubic root of 26622320 is about 298.5946117455.

Adding to 26622320 its reverse (2322662), we get a palindrome (28944982).

The spelling of 26622320 in words is "twenty-six million, six hundred twenty-two thousand, three hundred twenty".