402022232 has 16 divisors (see below), whose sum is σ = 759547800. Its totient is φ = 199476160.

The previous prime is 402022217. The next prime is 402022237. The reversal of 402022232 is 232220204.

It is a self number, because there is not a number n which added to its sum of digits gives 402022232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402022237) 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 3 ways as a sum of consecutive naturals, for example, 190757 + ... + 192852.

Almost surely, 2^402022232 is an apocalyptic number.

It is an amenable number.

402022232 is a deficient number, since it is larger than the sum of its proper divisors (357525568).

402022232 is a wasteful number, since it uses less digits than its factorization.

402022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383746 (or 383742 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 402022232 is about 20050.4920637874. The cubic root of 402022232 is about 738.0458742106.

Adding to 402022232 its reverse (232220204), we get a palindrome (634242436).

The spelling of 402022232 in words is "four hundred two million, twenty-two thousand, two hundred thirty-two".