2261055 has 16 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 1199520.

The previous prime is 2261053. The next prime is 2261071. The reversal of 2261055 is 5501622.

It is not a de Polignac number, because 2261055 - 2¹ = 2261053 is a prime.

It is a super-2 number, since 2×2261055² = 10224739426050, which contains 22 as substring.

2261055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 4850.

It is an arithmetic number, because the mean of its divisors is an integer number (227304).

2^2261055 is an apocalyptic number.

2261055 is a deficient number, since it is larger than the sum of its proper divisors (1375809).

2261055 is a wasteful number, since it uses less digits than its factorization.

2261055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2261055 is about 1503.6804846775. The cubic root of 2261055 is about 131.2513287847.

Adding to 2261055 its reverse (5501622), we get a palindrome (7762677).

The spelling of 2261055 in words is "two million, two hundred sixty-one thousand, fifty-five".