402212333422 has 16 divisors (see below), whose sum is σ = 619746791040. Its totient is φ = 195632216928.

The previous prime is 402212333371. The next prime is 402212333441. The reversal of 402212333422 is 224333212204.

It is a super-2 number, since 2×402212333422² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 157797 + ... + 910672.

It is an arithmetic number, because the mean of its divisors is an integer number (38734174440).

Almost surely, 2^402212333422 is an apocalyptic number.

402212333422 is a deficient number, since it is larger than the sum of its proper divisors (217534457618).

402212333422 is a wasteful number, since it uses less digits than its factorization.

402212333422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073595.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402212333422 its reverse (224333212204), we get a palindrome (626545545626).

The spelling of 402212333422 in words is "four hundred two billion, two hundred twelve million, three hundred thirty-three thousand, four hundred twenty-two".