2261085554 has 32 divisors (see below), whose sum is σ = 4187586816. Its totient is φ = 891650880.

The previous prime is 2261085529. The next prime is 2261085569. The reversal of 2261085554 is 4555801622.

2261085554 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 2×2261085554² = 10225015765014973832, which contains 22 as substring.

It is a Curzon 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, 38099 + ... + 77289.

It is an arithmetic number, because the mean of its divisors is an integer number (130862088).

Almost surely, 2^2261085554 is an apocalyptic number.

2261085554 is a deficient number, since it is larger than the sum of its proper divisors (1926501262).

2261085554 is a wasteful number, since it uses less digits than its factorization.

2261085554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39530.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 2261085554 is about 47550.8733253134. The cubic root of 2261085554 is about 1312.5191998884.

The spelling of 2261085554 in words is "two billion, two hundred sixty-one million, eighty-five thousand, five hundred fifty-four".