2261085528 has 32 divisors (see below), whose sum is σ = 6087538800. Its totient is φ = 695718528.

The previous prime is 2261085487. The next prime is 2261085529. The reversal of 2261085528 is 8255801622.

It is a super-2 number, since 2×2261085528² = 10225015529862077568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261085529) 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, 3623223 + ... + 3623846.

Almost surely, 2^2261085528 is an apocalyptic number.

It is an amenable number.

2261085528 is an abundant number, since it is smaller than the sum of its proper divisors (3826453272).

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

2261085528 is a wasteful number, since it uses less digits than its factorization.

2261085528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247091 (or 7247087 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2261085528 is about 47550.8730519220. The cubic root of 2261085528 is about 1312.5191948576.

The spelling of 2261085528 in words is "two billion, two hundred sixty-one million, eighty-five thousand, five hundred twenty-eight".