2231115522 has 16 divisors (see below), whose sum is σ = 4616101440. Its totient is φ = 718060112.

The previous prime is 2231115517. The next prime is 2231115559. The reversal of 2231115522 is 2255111322.

It is a super-3 number, since 3×2231115522³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231115492 and 2231115501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411078 + ... + 6411425.

It is an arithmetic number, because the mean of its divisors is an integer number (288506340).

Almost surely, 2^2231115522 is an apocalyptic number.

2231115522 is an abundant number, since it is smaller than the sum of its proper divisors (2384985918).

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

2231115522 is a wasteful number, since it uses less digits than its factorization.

2231115522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822537.

The product of its digits is 1200, while the sum is 24.

The square root of 2231115522 is about 47234.6855816782. The cubic root of 2231115522 is about 1306.6943678906.

Adding to 2231115522 its reverse (2255111322), we get a palindrome (4486226844).

The spelling of 2231115522 in words is "two billion, two hundred thirty-one million, one hundred fifteen thousand, five hundred twenty-two".