402221432332 has 24 divisors (see below), whose sum is σ = 707943544560. Its totient is φ = 199952241600.

The previous prime is 402221432321. The next prime is 402221432339. The reversal of 402221432332 is 233234122204.

It is a self number, because there is not a number n which added to its sum of digits gives 402221432332.

It is not an unprimeable number, because it can be changed into a prime (402221432339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322278 + ... + 4414354.

It is an arithmetic number, because the mean of its divisors is an integer number (29497647690).

Almost surely, 2^402221432332 is an apocalyptic number.

It is an amenable number.

402221432332 is a deficient number, since it is larger than the sum of its proper divisors (305722112228).

402221432332 is a wasteful number, since it uses less digits than its factorization.

402221432332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98361 (or 98359 counting only the distinct ones).

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

Adding to 402221432332 its reverse (233234122204), we get a palindrome (635455554536).

The spelling of 402221432332 in words is "four hundred two billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred thirty-two".