2212032221 has 16 divisors (see below), whose sum is σ = 2587382784. Its totient is φ = 1851842304.

The previous prime is 2212032167. The next prime is 2212032257. The reversal of 2212032221 is 1222302122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212032221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212032271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69365 + ... + 96101.

It is an arithmetic number, because the mean of its divisors is an integer number (161711424).

Almost surely, 2^2212032221 is an apocalyptic number.

It is an amenable number.

2212032221 is a deficient number, since it is larger than the sum of its proper divisors (375350563).

2212032221 is a wasteful number, since it uses less digits than its factorization.

2212032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27020.

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

The square root of 2212032221 is about 47032.2466080454. The cubic root of 2212032221 is about 1302.9581985115.

Adding to 2212032221 its reverse (1222302122), we get a palindrome (3434334343).

The spelling of 2212032221 in words is "two billion, two hundred twelve million, thirty-two thousand, two hundred twenty-one".