402224231939 has 2 divisors, whose sum is σ = 402224231940. Its totient is φ = 402224231938.

The previous prime is 402224231933. The next prime is 402224231953. The reversal of 402224231939 is 939132422204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402224231939 - 2³² = 397929264643 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 402224231896 and 402224231905.

It is not a weakly prime, because it can be changed into another prime (402224231933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201112115969 + 201112115970.

It is an arithmetic number, because the mean of its divisors is an integer number (201112115970).

Almost surely, 2^402224231939 is an apocalyptic number.

402224231939 is a deficient number, since it is larger than the sum of its proper divisors (1).

402224231939 is an equidigital number, since it uses as much as digits as its factorization.

402224231939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 402224231939 in words is "four hundred two billion, two hundred twenty-four million, two hundred thirty-one thousand, nine hundred thirty-nine".