2261088 has 48 divisors (see below), whose sum is σ = 6597360. Its totient is φ = 753408.

The previous prime is 2261071. The next prime is 2261093. The reversal of 2261088 is 8801622.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2261088² = 10225037887488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (137445).

2^2261088 is an apocalyptic number.

It is an amenable number.

2261088 is an abundant number, since it is smaller than the sum of its proper divisors (4336272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261088 is a wasteful number, since it uses less digits than its factorization.

2261088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2261088 is about 1503.6914577133. The cubic root of 2261088 is about 131.2519673175.

The spelling of 2261088 in words is "two million, two hundred sixty-one thousand, eighty-eight".