2261085447 has 8 divisors (see below), whose sum is σ = 3078925056. Its totient is φ = 1475318072.

The previous prime is 2261085439. The next prime is 2261085457. The reversal of 2261085447 is 7445801622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261085447 - 2³ = 2261085439 is a prime.

It is a super-2 number, since 2×2261085447² = 10225014797270379618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261085457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017893 + ... + 8018174.

It is an arithmetic number, because the mean of its divisors is an integer number (384865632).

Almost surely, 2^2261085447 is an apocalyptic number.

2261085447 is a deficient number, since it is larger than the sum of its proper divisors (817839609).

2261085447 is a wasteful number, since it uses less digits than its factorization.

2261085447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16036117.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2261085447 is about 47550.8722002026. The cubic root of 2261085447 is about 1312.5191791846.

The spelling of 2261085447 in words is "two billion, two hundred sixty-one million, eighty-five thousand, four hundred forty-seven".