22002122032 has 160 divisors (see below), whose sum is σ = 49368268800. Its totient is φ = 9406521600.

The previous prime is 22002122029. The next prime is 22002122033. The reversal of 22002122032 is 23022120022.

It is a super-2 number, since 2×22002122032² (a number of 21 digits) contains 22 as substring.

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 = 22002121997 and 22002122015.

It is not an unprimeable number, because it can be changed into a prime (22002122033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61287069 + ... + 61287427.

It is an arithmetic number, because the mean of its divisors is an integer number (308551680).

Almost surely, 2^22002122032 is an apocalyptic number.

22002122032 is a gapful number since it is divisible by the number (22) 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 22002122032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24684134400).

22002122032 is an abundant number, since it is smaller than the sum of its proper divisors (27366146768).

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

22002122032 is a wasteful number, since it uses less digits than its factorization.

22002122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

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

Adding to 22002122032 its reverse (23022120022), we get a palindrome (45024242054).

The spelling of 22002122032 in words is "twenty-two billion, two million, one hundred twenty-two thousand, thirty-two".