2261255 has 16 divisors (see below), whose sum is σ = 2954880. Its totient is φ = 1654272.

The previous prime is 2261227. The next prime is 2261267. The reversal of 2261255 is 5521622.

It is a cyclic number.

It is not a de Polignac number, because 2261255 - 2¹⁸ = 1999111 is a prime.

It is a super-2 number, since 2×2261255² = 10226548350050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261255.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2786 + ... + 3504.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^2261255 is an apocalyptic number.

2261255 is a deficient number, since it is larger than the sum of its proper divisors (693625).

2261255 is a wasteful number, since it uses less digits than its factorization.

2261255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its digits is 1200, while the sum is 23.

The square root of 2261255 is about 1503.7469866969. The cubic root of 2261255 is about 131.2551985847.

Adding to 2261255 its reverse (5521622), we get a palindrome (7782877).

The spelling of 2261255 in words is "two million, two hundred sixty-one thousand, two hundred fifty-five".