402220213301 has 2 divisors, whose sum is σ = 402220213302. Its totient is φ = 402220213300.

The previous prime is 402220213277. The next prime is 402220213319. The reversal of 402220213301 is 103312022204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233241668401 + 168978544900 = 482951^2 + 411070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402220213301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402220213391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201110106650 + 201110106651.

It is an arithmetic number, because the mean of its divisors is an integer number (201110106651).

Almost surely, 2^402220213301 is an apocalyptic number.

It is an amenable number.

402220213301 is a deficient number, since it is larger than the sum of its proper divisors (1).

402220213301 is an equidigital number, since it uses as much as digits as its factorization.

402220213301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 402220213301 its reverse (103312022204), we get a palindrome (505532235505).

The spelling of 402220213301 in words is "four hundred two billion, two hundred twenty million, two hundred thirteen thousand, three hundred one".