402211231441 has 2 divisors, whose sum is σ = 402211231442. Its totient is φ = 402211231440.

The previous prime is 402211231399. The next prime is 402211231453. The reversal of 402211231441 is 144132112204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275200963216 + 127010268225 = 524596^2 + 356385^2 .

It is a cyclic number.

It is not a de Polignac number, because 402211231441 - 2¹¹ = 402211229393 is a prime.

It is not a weakly prime, because it can be changed into another prime (402211231241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201105615720 + 201105615721.

It is an arithmetic number, because the mean of its divisors is an integer number (201105615721).

Almost surely, 2^402211231441 is an apocalyptic number.

It is an amenable number.

402211231441 is a deficient number, since it is larger than the sum of its proper divisors (1).

402211231441 is an equidigital number, since it uses as much as digits as its factorization.

402211231441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 402211231441 its reverse (144132112204), we get a palindrome (546343343645).

The spelling of 402211231441 in words is "four hundred two billion, two hundred eleven million, two hundred thirty-one thousand, four hundred forty-one".