2231135552 has 14 divisors (see below), whose sum is σ = 4427409738. Its totient is φ = 1115567744.

The previous prime is 2231135549. The next prime is 2231135579. The reversal of 2231135552 is 2555311322.

It can be written as a sum of positive squares in only one way, i.e., 2229350656 + 1784896 = 47216^2 + 1336^2 .

It is a super-3 number, since 3×2231135552³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17430683 + ... + 17430810.

Almost surely, 2^2231135552 is an apocalyptic number.

It is an amenable number.

2231135552 is a deficient number, since it is larger than the sum of its proper divisors (2196274186).

2231135552 is an equidigital number, since it uses as much as digits as its factorization.

2231135552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34861505 (or 34861495 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 2231135552 is about 47234.8976075952. The cubic root of 2231135552 is about 1306.6982781931.

Adding to 2231135552 its reverse (2555311322), we get a palindrome (4786446874).

The spelling of 2231135552 in words is "two billion, two hundred thirty-one million, one hundred thirty-five thousand, five hundred fifty-two".