2221202132 has 6 divisors (see below), whose sum is σ = 3887103738. Its totient is φ = 1110601064.

The previous prime is 2221202131. The next prime is 2221202143. The reversal of 2221202132 is 2312021222.

It can be written as a sum of positive squares in only one way, i.e., 2119313296 + 101888836 = 46036^2 + 10094^2 .

It is a super-2 number, since 2×2221202132² = 9867477822402690848, 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 2221202132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221202131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277650263 + ... + 277650270.

It is an arithmetic number, because the mean of its divisors is an integer number (647850623).

Almost surely, 2^2221202132 is an apocalyptic number.

It is an amenable number.

2221202132 is a deficient number, since it is larger than the sum of its proper divisors (1665901606).

2221202132 is a wasteful number, since it uses less digits than its factorization.

2221202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555300537 (or 555300535 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221202132 is about 47129.6311464454. The cubic root of 2221202132 is about 1304.7561739186.

Adding to 2221202132 its reverse (2312021222), we get a palindrome (4533223354).

The spelling of 2221202132 in words is "two billion, two hundred twenty-one million, two hundred two thousand, one hundred thirty-two".