2261548 has 6 divisors (see below), whose sum is σ = 3957716. Its totient is φ = 1130772.

The previous prime is 2261531. The next prime is 2261549. The reversal of 2261548 is 8451622.

It is a super-2 number, since 2×2261548² = 10229198712608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261549) by changing a digit.

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 as a sum of consecutive naturals, namely, 282690 + ... + 282697.

2^2261548 is an apocalyptic number.

It is an amenable number.

2261548 is a deficient number, since it is larger than the sum of its proper divisors (1696168).

2261548 is a wasteful number, since it uses less digits than its factorization.

2261548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565391 (or 565389 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2261548 is about 1503.8444068453. The cubic root of 2261548 is about 131.2608674297.

It can be divided in two parts, 2261 and 548, that added together give a square (2809 = 53²).

The spelling of 2261548 in words is "two million, two hundred sixty-one thousand, five hundred forty-eight".