32201222004 has 144 divisors (see below), whose sum is σ = 99373982400. Its totient is φ = 8986324032.

The previous prime is 32201221973. The next prime is 32201222029. The reversal of 32201222004 is 40022210223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156802 + ... + 298310.

It is an arithmetic number, because the mean of its divisors is an integer number (690097100).

Almost surely, 2^32201222004 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 32201222004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49686991200).

32201222004 is an abundant number, since it is smaller than the sum of its proper divisors (67172760396).

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

32201222004 is a wasteful number, since it uses less digits than its factorization.

32201222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141579 (or 141564 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 32201222004 its reverse (40022210223), we get a palindrome (72223432227).

The spelling of 32201222004 in words is "thirty-two billion, two hundred one million, two hundred twenty-two thousand, four".