32221313000 has 32 divisors (see below), whose sum is σ = 75397874760. Its totient is φ = 12888524800.

The previous prime is 32221312987. The next prime is 32221313051. The reversal of 32221313000 is 31312223.

It can be written as a sum of positive squares in 4 ways, for example, as 20580197764 + 11641115236 = 143458^2 + 107894^2 .

It is a super-3 number, since 3×32221313000³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 32221313000.

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, 16109657 + ... + 16111656.

Almost surely, 2^32221313000 is an apocalyptic number.

It is an amenable number.

32221313000 is an abundant number, since it is smaller than the sum of its proper divisors (43176561760).

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

32221313000 is a wasteful number, since it uses less digits than its factorization.

32221313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221334 (or 32221320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32221313000 its reverse (31312223), we get a palindrome (32252625223).

The spelling of 32221313000 in words is "thirty-two billion, two hundred twenty-one million, three hundred thirteen thousand".