32222001 has 16 divisors (see below), whose sum is σ = 49794048. Its totient is φ = 18152400.

The previous prime is 32221993. The next prime is 32222009. The reversal of 32222001 is 10022223.

It is an interprime number because it is at equal distance from previous prime (32221993) and next prime (32222009).

It is not a de Polignac number, because 32222001 - 2³ = 32221993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32222009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9315 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (3112128).

Almost surely, 2^32222001 is an apocalyptic number.

It is an amenable number.

32222001 is a deficient number, since it is larger than the sum of its proper divisors (17572047).

32222001 is a wasteful number, since it uses less digits than its factorization.

32222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21692.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32222001 is about 5676.4426360177. The cubic root of 32222001 is about 318.2126954104.

Adding to 32222001 its reverse (10022223), we get a palindrome (42244224).

The spelling of 32222001 in words is "thirty-two million, two hundred twenty-two thousand, one".