32212232320 has 64 divisors (see below), whose sum is σ = 80355551040. Its totient is φ = 12324674560.

The previous prime is 32212232317. The next prime is 32212232333. The reversal of 32212232320 is 2323221223.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×32212232320² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32212232291 and 32212232300.

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, 1079446 + ... + 1108885.

It is an arithmetic number, because the mean of its divisors is an integer number (1255555485).

Almost surely, 2^32212232320 is an apocalyptic number.

It is an amenable number.

32212232320 is an abundant number, since it is smaller than the sum of its proper divisors (48143318720).

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

32212232320 is a wasteful number, since it uses less digits than its factorization.

32212232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188373 (or 2188361 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32212232320 its reverse (2323221223), we get a palindrome (34535453543).

The spelling of 32212232320 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twenty".