402022002422 has 24 divisors (see below), whose sum is σ = 622489068264. Its totient is φ = 194705776512.

The previous prime is 402022002409. The next prime is 402022002467. The reversal of 402022002422 is 224200220204.

It is a junction number, because it is equal to n+sod(n) for n = 402022002394 and 402022002403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40508 + ... + 897599.

It is an arithmetic number, because the mean of its divisors is an integer number (25937044511).

Almost surely, 2^402022002422 is an apocalyptic number.

402022002422 is a deficient number, since it is larger than the sum of its proper divisors (220467065842).

402022002422 is an equidigital number, since it uses as much as digits as its factorization.

402022002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938300 (or 938253 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 402022002422 its reverse (224200220204), we get a palindrome (626222222626).

The spelling of 402022002422 in words is "four hundred two billion, twenty-two million, two thousand, four hundred twenty-two".