402222413441 has 2 divisors, whose sum is σ = 402222413442. Its totient is φ = 402222413440.

The previous prime is 402222413407. The next prime is 402222413459. The reversal of 402222413441 is 144314222204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244391809600 + 157830603841 = 494360^2 + 397279^2 .

It is a cyclic number.

It is not a de Polignac number, because 402222413441 - 2⁶ = 402222413377 is a prime.

It is not a weakly prime, because it can be changed into another prime (402222413491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201111206720 + 201111206721.

It is an arithmetic number, because the mean of its divisors is an integer number (201111206721).

Almost surely, 2^402222413441 is an apocalyptic number.

It is an amenable number.

402222413441 is a deficient number, since it is larger than the sum of its proper divisors (1).

402222413441 is an equidigital number, since it uses as much as digits as its factorization.

402222413441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402222413441 its reverse (144314222204), we get a palindrome (546536635645).

The spelling of 402222413441 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirteen thousand, four hundred forty-one".