402224231971 has 2 divisors, whose sum is σ = 402224231972. Its totient is φ = 402224231970.

The previous prime is 402224231957. The next prime is 402224231989. The reversal of 402224231971 is 179132422204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402224231971 - 2⁵ = 402224231939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402224231971.

It is not a weakly prime, because it can be changed into another prime (402224231371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201112115985 + 201112115986.

It is an arithmetic number, because the mean of its divisors is an integer number (201112115986).

Almost surely, 2^402224231971 is an apocalyptic number.

402224231971 is a deficient number, since it is larger than the sum of its proper divisors (1).

402224231971 is an equidigital number, since it uses as much as digits as its factorization.

402224231971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 402224231971 in words is "four hundred two billion, two hundred twenty-four million, two hundred thirty-one thousand, nine hundred seventy-one".