32220418973 has 2 divisors, whose sum is σ = 32220418974. Its totient is φ = 32220418972.

The previous prime is 32220418939. The next prime is 32220418981. The reversal of 32220418973 is 37981402223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24879699289 + 7340719684 = 157733^2 + 85678^2 .

It is an emirp because it is prime and its reverse (37981402223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32220418973 - 2⁸ = 32220418717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32220418973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32220408973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110209486 + 16110209487.

It is an arithmetic number, because the mean of its divisors is an integer number (16110209487).

Almost surely, 2^32220418973 is an apocalyptic number.

It is an amenable number.

32220418973 is a deficient number, since it is larger than the sum of its proper divisors (1).

32220418973 is an equidigital number, since it uses as much as digits as its factorization.

32220418973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 32220418973 in words is "thirty-two billion, two hundred twenty million, four hundred eighteen thousand, nine hundred seventy-three".