32220234421 has 2 divisors, whose sum is σ = 32220234422. Its totient is φ = 32220234420.

The previous prime is 32220234413. The next prime is 32220234461. The reversal of 32220234421 is 12443202223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20559258225 + 11660976196 = 143385^2 + 107986^2 .

It is a cyclic number.

It is not a de Polignac number, because 32220234421 - 2³ = 32220234413 is a prime.

It is a super-2 number, since 2×32220234421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32220234461) 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, 16110117210 + 16110117211.

It is an arithmetic number, because the mean of its divisors is an integer number (16110117211).

Almost surely, 2^32220234421 is an apocalyptic number.

It is an amenable number.

32220234421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32220234421 is an equidigital number, since it uses as much as digits as its factorization.

32220234421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32220234421 its reverse (12443202223), we get a palindrome (44663436644).

The spelling of 32220234421 in words is "thirty-two billion, two hundred twenty million, two hundred thirty-four thousand, four hundred twenty-one".