400222543333253 has 2 divisors, whose sum is σ = 400222543333254. Its totient is φ = 400222543333252.

The previous prime is 400222543333247. The next prime is 400222543333351. The reversal of 400222543333253 is 352333345222004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391969000414849 + 8253542918404 = 19798207^2 + 2872898^2 .

It is a cyclic number.

It is not a de Polignac number, because 400222543333253 - 2⁴ = 400222543333237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 400222543333253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400222543333453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200111271666626 + 200111271666627.

It is an arithmetic number, because the mean of its divisors is an integer number (200111271666627).

Almost surely, 2^{400222543333253} is an apocalyptic number.

It is an amenable number.

400222543333253 is a deficient number, since it is larger than the sum of its proper divisors (1).

400222543333253 is an equidigital number, since it uses as much as digits as its factorization.

400222543333253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 41.

Adding to 400222543333253 its reverse (352333345222004), we get a palindrome (752555888555257).

The spelling of 400222543333253 in words is "four hundred trillion, two hundred twenty-two billion, five hundred forty-three million, three hundred thirty-three thousand, two hundred fifty-three".