402320002422 has 64 divisors (see below), whose sum is σ = 868958000064. Its totient is φ = 123445040640.

The previous prime is 402320002421. The next prime is 402320002429. The reversal of 402320002422 is 224200023204.

It is a super-2 number, since 2×402320002422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402320002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89065708 + ... + 89070224.

It is an arithmetic number, because the mean of its divisors is an integer number (13577468751).

Almost surely, 2^402320002422 is an apocalyptic number.

402320002422 is an abundant number, since it is smaller than the sum of its proper divisors (466637997642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402320002422 is a wasteful number, since it uses less digits than its factorization.

402320002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 402320002422 its reverse (224200023204), we get a palindrome (626520025626).

The spelling of 402320002422 in words is "four hundred two billion, three hundred twenty million, two thousand, four hundred twenty-two".