322252221 has 16 divisors (see below), whose sum is σ = 459203904. Its totient is φ = 200304384.

The previous prime is 322252199. The next prime is 322252253. The reversal of 322252221 is 122252223.

It is not a de Polignac number, because 322252221 - 2⁷ = 322252093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322252121) 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 in 15 ways as a sum of consecutive naturals, for example, 24070 + ... + 34983.

It is an arithmetic number, because the mean of its divisors is an integer number (28700244).

Almost surely, 2^322252221 is an apocalyptic number.

It is an amenable number.

322252221 is a deficient number, since it is larger than the sum of its proper divisors (136951683).

322252221 is a wasteful number, since it uses less digits than its factorization.

322252221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59180.

The product of its digits is 960, while the sum is 21.

The square root of 322252221 is about 17951.3849326452. The cubic root of 322252221 is about 685.5913135198.

The spelling of 322252221 in words is "three hundred twenty-two million, two hundred fifty-two thousand, two hundred twenty-one".