2261544132 has 48 divisors (see below), whose sum is σ = 5382599040. Its totient is φ = 738786048.

The previous prime is 2261544121. The next prime is 2261544191. The reversal of 2261544132 is 2314451622.

It is a super-2 number, since 2×2261544132² = 10229163721967266848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261544132.

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, 827344 + ... + 830072.

It is an arithmetic number, because the mean of its divisors is an integer number (112137480).

Almost surely, 2^2261544132 is an apocalyptic number.

It is an amenable number.

2261544132 is an abundant number, since it is smaller than the sum of its proper divisors (3121054908).

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

2261544132 is a wasteful number, since it uses less digits than its factorization.

2261544132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4090 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2261544132 is about 47555.6950532741. The cubic root of 2261544132 is about 1312.6079259641.

Adding to 2261544132 its reverse (2314451622), we get a palindrome (4575995754).

The spelling of 2261544132 in words is "two billion, two hundred sixty-one million, five hundred forty-four thousand, one hundred thirty-two".