2261085500 has 48 divisors (see below), whose sum is σ = 5198138400. Its totient is φ = 856828800.

The previous prime is 2261085487. The next prime is 2261085529. The reversal of 2261085500 is 55801622.

2261085500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261085500² = 10225015276620500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109505 + ... + 128504.

It is an arithmetic number, because the mean of its divisors is an integer number (108294550).

Almost surely, 2^2261085500 is an apocalyptic number.

2261085500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261085500 is an abundant number, since it is smaller than the sum of its proper divisors (2937052900).

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

2261085500 is a wasteful number, since it uses less digits than its factorization.

2261085500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238047 (or 238035 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2261085500 is about 47550.8727575005. The cubic root of 2261085500 is about 1312.5191894398.

The spelling of 2261085500 in words is "two billion, two hundred sixty-one million, eighty-five thousand, five hundred".