2261044 has 6 divisors (see below), whose sum is σ = 3956834. Its totient is φ = 1130520.

The previous prime is 2261041. The next prime is 2261053. The reversal of 2261044 is 4401622.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 792100 = 1212^2 + 890^2 .

It is a super-2 number, since 2×2261044² = 10224639939872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282627 + ... + 282634.

2^2261044 is an apocalyptic number.

It is an amenable number.

2261044 is a deficient number, since it is larger than the sum of its proper divisors (1695790).

2261044 is a wasteful number, since it uses less digits than its factorization.

2261044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565265 (or 565263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2261044 is about 1503.6768269811. The cubic root of 2261044 is about 131.2511159391.

Adding to 2261044 its reverse (4401622), we get a palindrome (6662666).

The spelling of 2261044 in words is "two million, two hundred sixty-one thousand, forty-four".