22320030132 has 144 divisors (see below), whose sum is σ = 62465195520. Its totient is φ = 6692025600.

The previous prime is 22320030127. The next prime is 22320030197. The reversal of 22320030132 is 23103002322.

It is a happy number.

It is a super-3 number, since 3×22320030132³ (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).

22320030132 is a modest number, since divided by 30132 gives 22320 as remainder.

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, 1113882 + ... + 1133742.

It is an arithmetic number, because the mean of its divisors is an integer number (433786080).

Almost surely, 2^22320030132 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 22320030132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31232597760).

22320030132 is an abundant number, since it is smaller than the sum of its proper divisors (40145165388).

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

22320030132 is a wasteful number, since it uses less digits than its factorization.

22320030132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974 (or 19969 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22320030132 its reverse (23103002322), we get a palindrome (45423032454).

The spelling of 22320030132 in words is "twenty-two billion, three hundred twenty million, thirty thousand, one hundred thirty-two".