220310401 has 2 divisors, whose sum is σ = 220310402. Its totient is φ = 220310400.

The previous prime is 220310393. The next prime is 220310417. The reversal of 220310401 is 104013022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191794801 + 28515600 = 13849^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 220310401 - 2³ = 220310393 is a prime.

It is not a weakly prime, because it can be changed into another prime (220310471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155200 + 110155201.

It is an arithmetic number, because the mean of its divisors is an integer number (110155201).

Almost surely, 2^220310401 is an apocalyptic number.

It is an amenable number.

220310401 is a deficient number, since it is larger than the sum of its proper divisors (1).

220310401 is an equidigital number, since it uses as much as digits as its factorization.

220310401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220310401 is about 14842.8569015537. The cubic root of 220310401 is about 603.9648542113.

Adding to 220310401 its reverse (104013022), we get a palindrome (324323423).

The spelling of 220310401 in words is "two hundred twenty million, three hundred ten thousand, four hundred one".