32223431000 has 64 divisors (see below), whose sum is σ = 75696828480. Its totient is φ = 12839116800.

The previous prime is 32223430991. The next prime is 32223431021. The reversal of 32223431000 is 13432223.

It is a super-2 number, since 2×32223431000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194309 + ... + 319691.

It is an arithmetic number, because the mean of its divisors is an integer number (1182762945).

Almost surely, 2^32223431000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32223431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37848414240).

32223431000 is an abundant number, since it is smaller than the sum of its proper divisors (43473397480).

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

32223431000 is a wasteful number, since it uses less digits than its factorization.

32223431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125661 (or 125647 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32223431000 its reverse (13432223), we get a palindrome (32236863223).

The spelling of 32223431000 in words is "thirty-two billion, two hundred twenty-three million, four hundred thirty-one thousand".