322021552152 has 32 divisors (see below), whose sum is σ = 813353410800. Its totient is φ = 106233913344.

The previous prime is 322021552109. The next prime is 322021552169. The reversal of 322021552152 is 251255120223.

It is a super-2 number, since 2×322021552152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69160377 + ... + 69165032.

Almost surely, 2^322021552152 is an apocalyptic number.

It is an amenable number.

322021552152 is an abundant number, since it is smaller than the sum of its proper divisors (491331858648).

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

322021552152 is a wasteful number, since it uses less digits than its factorization.

322021552152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138325515 (or 138325511 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 322021552152 its reverse (251255120223), we get a palindrome (573276672375).

The spelling of 322021552152 in words is "three hundred twenty-two billion, twenty-one million, five hundred fifty-two thousand, one hundred fifty-two".