22320022032 has 180 divisors, whose sum is σ = 78468936000. Its totient is φ = 5797376640.

The previous prime is 22320022031. The next prime is 22320022051. The reversal of 22320022032 is 23022002322.

It is a super-3 number, since 3×22320022032³ (a number of 32 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22320021996 and 22320022014.

It is not an unprimeable number, because it can be changed into a prime (22320022031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30469 + ... + 213467.

Almost surely, 2^22320022032 is an apocalyptic number.

22320022032 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 22320022032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39234468000).

22320022032 is an abundant number, since it is smaller than the sum of its proper divisors (56148913968).

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

22320022032 is a wasteful number, since it uses less digits than its factorization.

22320022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183042 (or 183022 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22320022032 its reverse (23022002322), we get a palindrome (45342024354).

The spelling of 22320022032 in words is "twenty-two billion, three hundred twenty million, twenty-two thousand, thirty-two".