22002212032 has 56 divisors (see below), whose sum is σ = 44444229120. Its totient is φ = 10804035840.

The previous prime is 22002211961. The next prime is 22002212051. The reversal of 22002212032 is 23021220022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22002211997 and 22002212015.

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, 5008557 + ... + 5012947.

Almost surely, 2^22002212032 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 22002212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22222114560).

22002212032 is an abundant number, since it is smaller than the sum of its proper divisors (22442017088).

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

22002212032 is a wasteful number, since it uses less digits than its factorization.

22002212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22002212032 its reverse (23021220022), we get a palindrome (45023432054).

The spelling of 22002212032 in words is "twenty-two billion, two million, two hundred twelve thousand, thirty-two".