402200000393 has 2 divisors, whose sum is σ = 402200000394. Its totient is φ = 402200000392.

The previous prime is 402200000359. The next prime is 402200000497. The reversal of 402200000393 is 393000002204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384999153289 + 17200847104 = 620483^2 + 131152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402200000393 is a prime.

It is a super-2 number, since 2×402200000393² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402200000093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100000196 + 201100000197.

It is an arithmetic number, because the mean of its divisors is an integer number (201100000197).

Almost surely, 2^402200000393 is an apocalyptic number.

It is an amenable number.

402200000393 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200000393 is an equidigital number, since it uses as much as digits as its factorization.

402200000393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 402200000393 its reverse (393000002204), we get a palindrome (795200002597).

The spelling of 402200000393 in words is "four hundred two billion, two hundred million, three hundred ninety-three", and thus it is an aban number.