32223001 has 2 divisors, whose sum is σ = 32223002. Its totient is φ = 32223000.

The previous prime is 32222999. The next prime is 32223011. The reversal of 32223001 is 10032223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 14784025 = 4176^2 + 3845^2 .

It is an emirp because it is prime and its reverse (10032223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32223001 - 2¹ = 32222999 is a prime.

Together with 32222999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32223011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16111500 + 16111501.

It is an arithmetic number, because the mean of its divisors is an integer number (16111501).

Almost surely, 2^32223001 is an apocalyptic number.

It is an amenable number.

32223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

32223001 is an equidigital number, since it uses as much as digits as its factorization.

32223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 32223001 is about 5676.5307186696. The cubic root of 32223001 is about 318.2159872544.

Adding to 32223001 its reverse (10032223), we get a palindrome (42255224).

The spelling of 32223001 in words is "thirty-two million, two hundred twenty-three thousand, one".