21552455332322 has 8 divisors (see below), whose sum is σ = 32718185203536. Its totient is φ = 10646393597812.

The previous prime is 21552455332313. The next prime is 21552455332351. The reversal of 21552455332322 is 22323355425512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21552455332322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64917033968 + ... + 64917034299.

It is an arithmetic number, because the mean of its divisors is an integer number (4089773150442).

Almost surely, 2^{21552455332322} is an apocalyptic number.

21552455332322 is a deficient number, since it is larger than the sum of its proper divisors (11165729871214).

21552455332322 is a wasteful number, since it uses less digits than its factorization.

21552455332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129834068352.

The product of its digits is 2160000, while the sum is 44.

The spelling of 21552455332322 in words is "twenty-one trillion, five hundred fifty-two billion, four hundred fifty-five million, three hundred thirty-two thousand, three hundred twenty-two".