402212322541 has 2 divisors, whose sum is σ = 402212322542. Its totient is φ = 402212322540.

The previous prime is 402212322521. The next prime is 402212322569. The reversal of 402212322541 is 145223212204.

It is an a-pointer prime, because the next prime (402212322569) can be obtained adding 402212322541 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374110829316 + 28101493225 = 611646^2 + 167635^2 .

It is a cyclic number.

It is not a de Polignac number, because 402212322541 - 2¹¹ = 402212320493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402212322521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106161270 + 201106161271.

It is an arithmetic number, because the mean of its divisors is an integer number (201106161271).

Almost surely, 2^402212322541 is an apocalyptic number.

It is an amenable number.

402212322541 is a deficient number, since it is larger than the sum of its proper divisors (1).

402212322541 is an equidigital number, since it uses as much as digits as its factorization.

402212322541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 402212322541 its reverse (145223212204), we get a palindrome (547435534745).

The spelling of 402212322541 in words is "four hundred two billion, two hundred twelve million, three hundred twenty-two thousand, five hundred forty-one".