22032201000 has 128 divisors (see below), whose sum is σ = 68800492800. Its totient is φ = 5870124800.

The previous prime is 22032200947. The next prime is 22032201031. The reversal of 22032201000 is 10223022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4476541 + ... + 4481459.

It is an arithmetic number, because the mean of its divisors is an integer number (537503850).

Almost surely, 2^22032201000 is an apocalyptic number.

22032201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22032201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34400246400).

22032201000 is an abundant number, since it is smaller than the sum of its proper divisors (46768291800).

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

22032201000 is a wasteful number, since it uses less digits than its factorization.

22032201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22032201000 its reverse (10223022), we get a palindrome (22042424022).

The spelling of 22032201000 in words is "twenty-two billion, thirty-two million, two hundred one thousand".