26227720 has 16 divisors (see below), whose sum is σ = 59012460. Its totient is φ = 10491072.

The previous prime is 26227717. The next prime is 26227723. The reversal of 26227720 is 2772262.

It is an interprime number because it is at equal distance from previous prime (26227717) and next prime (26227723).

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 4901796 = 4618^2 + 2214^2 .

It is not an unprimeable number, because it can be changed into a prime (26227723) by changing a digit.

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, 327807 + ... + 327886.

Almost surely, 2^26227720 is an apocalyptic number.

26227720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26227720 is an abundant number, since it is smaller than the sum of its proper divisors (32784740).

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

26227720 is a wasteful number, since it uses less digits than its factorization.

26227720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655704 (or 655700 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 26227720 is about 5121.3006160545. The cubic root of 26227720 is about 297.1119909295. Note that the first 3 decimals are identical.

Adding to 26227720 its reverse (2772262), we get a palindrome (28999982).

The spelling of 26227720 in words is "twenty-six million, two hundred twenty-seven thousand, seven hundred twenty".