322222001 has 2 divisors, whose sum is σ = 322222002. Its totient is φ = 322222000.

The previous prime is 322221979. The next prime is 322222009. The reversal of 322222001 is 100222223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226201600 + 96020401 = 15040^2 + 9799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322222001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (322222009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161111000 + 161111001.

It is an arithmetic number, because the mean of its divisors is an integer number (161111001).

Almost surely, 2^322222001 is an apocalyptic number.

It is an amenable number.

322222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

322222001 is an equidigital number, since it uses as much as digits as its factorization.

322222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 322222001 is about 17950.5431951237. The cubic root of 322222001 is about 685.5698818422.

Adding to 322222001 its reverse (100222223), we get a palindrome (422444224).

The spelling of 322222001 in words is "three hundred twenty-two million, two hundred twenty-two thousand, one".