2553226 has 16 divisors (see below), whose sum is σ = 4150944. Its totient is φ = 1170864.

The previous prime is 2553223. The next prime is 2553227. The reversal of 2553226 is 6223552.

It is a self number, because there is not a number n which added to its sum of digits gives 2553226.

It is not an unprimeable number, because it can be changed into a prime (2553223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (259434).

2^2553226 is an apocalyptic number.

2553226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2553226 is a deficient number, since it is larger than the sum of its proper divisors (1597718).

2553226 is a wasteful number, since it uses less digits than its factorization.

2553226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 3600, while the sum is 25.

The square root of 2553226 is about 1597.8817227818. The cubic root of 2553226 is about 136.6773089736.

Adding to 2553226 its reverse (6223552), we get a palindrome (8776778).

It can be divided in two parts, 255 and 3226, that added together give a square (3481 = 59²).

The spelling of 2553226 in words is "two million, five hundred fifty-three thousand, two hundred twenty-six".