2220504532 has 12 divisors (see below), whose sum is σ = 3990907060. Its totient is φ = 1080245376.

The previous prime is 2220504499. The next prime is 2220504541. The reversal of 2220504532 is 2354050222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2139432516 + 81072016 = 46254^2 + 9004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220504497 and 2220504506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501557 + ... + 7501852.

Almost surely, 2^2220504532 is an apocalyptic number.

It is an amenable number.

2220504532 is a deficient number, since it is larger than the sum of its proper divisors (1770402528).

2220504532 is a wasteful number, since it uses less digits than its factorization.

2220504532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003450 (or 15003448 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2220504532 is about 47122.2297010657. The cubic root of 2220504532 is about 1304.6195672290.

Adding to 2220504532 its reverse (2354050222), we get a palindrome (4574554754).

The spelling of 2220504532 in words is "two billion, two hundred twenty million, five hundred four thousand, five hundred thirty-two".