2221232532 has 48 divisors (see below), whose sum is σ = 5228439552. Its totient is φ = 733932000.

The previous prime is 2221232483. The next prime is 2221232537. The reversal of 2221232532 is 2352321222.

It is a happy number.

It is a super-2 number, since 2×2221232532² = 9867747922430262048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221232537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670023 + ... + 673329.

It is an arithmetic number, because the mean of its divisors is an integer number (108925824).

Almost surely, 2^2221232532 is an apocalyptic number.

It is an amenable number.

2221232532 is an abundant number, since it is smaller than the sum of its proper divisors (3007207020).

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

2221232532 is a wasteful number, since it uses less digits than its factorization.

2221232532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 2221232532 is about 47129.9536600663. The cubic root of 2221232532 is about 1304.7621263120.

Adding to 2221232532 its reverse (2352321222), we get a palindrome (4573553754).

The spelling of 2221232532 in words is "two billion, two hundred twenty-one million, two hundred thirty-two thousand, five hundred thirty-two".