330722401 has 2 divisors, whose sum is σ = 330722402. Its totient is φ = 330722400.

The previous prime is 330722389. The next prime is 330722407. The reversal of 330722401 is 104227033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280596001 + 50126400 = 16751^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 330722401 - 2¹⁵ = 330689633 is a prime.

It is not a weakly prime, because it can be changed into another prime (330722407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165361200 + 165361201.

It is an arithmetic number, because the mean of its divisors is an integer number (165361201).

Almost surely, 2^330722401 is an apocalyptic number.

It is an amenable number.

330722401 is a deficient number, since it is larger than the sum of its proper divisors (1).

330722401 is an equidigital number, since it uses as much as digits as its factorization.

330722401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 330722401 is about 18185.7746879257. The cubic root of 330722401 is about 691.5462076832.

Adding to 330722401 its reverse (104227033), we get a palindrome (434949434).

The spelling of 330722401 in words is "three hundred thirty million, seven hundred twenty-two thousand, four hundred one".