26204225 has 12 divisors (see below), whose sum is σ = 34405164. Its totient is φ = 19729920.

The previous prime is 26204219. The next prime is 26204257. The reversal of 26204225 is 52240262.

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 26204161 = 8^2 + 5119^2 .

It is not a de Polignac number, because 26204225 - 2¹⁰ = 26203201 is a prime.

It is a super-2 number, since 2×26204225² = 1373322815701250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26204225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30404 + ... + 31253.

It is an arithmetic number, because the mean of its divisors is an integer number (2867097).

Almost surely, 2^26204225 is an apocalyptic number.

26204225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26204225 is a deficient number, since it is larger than the sum of its proper divisors (8200939).

26204225 is a wasteful number, since it uses less digits than its factorization.

26204225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61684 (or 61679 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 26204225 is about 5119.0062512171. The cubic root of 26204225 is about 297.0232459972.

Adding to 26204225 its reverse (52240262), we get a palindrome (78444487).

The spelling of 26204225 in words is "twenty-six million, two hundred four thousand, two hundred twenty-five".