32252225221 has 2 divisors, whose sum is σ = 32252225222. Its totient is φ = 32252225220.

The previous prime is 32252225197. The next prime is 32252225227. The reversal of 32252225221 is 12252225223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32035988196 + 216237025 = 178986^2 + 14705^2 .

It is a cyclic number.

It is not a de Polignac number, because 32252225221 - 2¹¹ = 32252223173 is a prime.

It is a super-2 number, since 2×32252225221² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32252225221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32252225227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16126112610 + 16126112611.

It is an arithmetic number, because the mean of its divisors is an integer number (16126112611).

Almost surely, 2^32252225221 is an apocalyptic number.

It is an amenable number.

32252225221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32252225221 is an equidigital number, since it uses as much as digits as its factorization.

32252225221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 28.

It can be divided in two parts, 322522 and 25221, that added together give a palindrome (347743).

The spelling of 32252225221 in words is "thirty-two billion, two hundred fifty-two million, two hundred twenty-five thousand, two hundred twenty-one".