402323422422 has 64 divisors (see below), whose sum is σ = 862318379520. Its totient is φ = 124854048000.

The previous prime is 402323422421. The next prime is 402323422499. The reversal of 402323422422 is 224224323204.

It is a self number, because there is not a number n which added to its sum of digits gives 402323422422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402323422421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577722 + ... + 1066962.

It is an arithmetic number, because the mean of its divisors is an integer number (13473724680).

Almost surely, 2^402323422422 is an apocalyptic number.

402323422422 is an abundant number, since it is smaller than the sum of its proper divisors (459994957098).

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

402323422422 is a wasteful number, since it uses less digits than its factorization.

402323422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489429.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 402323422422 its reverse (224224323204), we get a palindrome (626547745626).

The spelling of 402323422422 in words is "four hundred two billion, three hundred twenty-three million, four hundred twenty-two thousand, four hundred twenty-two".