402222431401 has 12 divisors (see below), whose sum is σ = 468893335248. Its totient is φ = 344023815912.

The previous prime is 402222431339. The next prime is 402222431417. The reversal of 402222431401 is 104134222204.

It is not a de Polignac number, because 402222431401 - 2³⁷ = 264783477929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402222431461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8765791 + ... + 8811556.

It is an arithmetic number, because the mean of its divisors is an integer number (39074444604).

Almost surely, 2^402222431401 is an apocalyptic number.

It is an amenable number.

402222431401 is a deficient number, since it is larger than the sum of its proper divisors (66670903847).

402222431401 is a wasteful number, since it uses less digits than its factorization.

402222431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17577828 (or 17577821 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402222431401 its reverse (104134222204), we get a palindrome (506356653605).

The spelling of 402222431401 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, four hundred one".