22352032340 has 72 divisors (see below), whose sum is σ = 51628582656. Its totient is φ = 8122628800.

The previous prime is 22352032309. The next prime is 22352032343. The reversal of 22352032340 is 4323025322.

It is a super-2 number, since 2×22352032340² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22352032343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6558917 + ... + 6562323.

It is an arithmetic number, because the mean of its divisors is an integer number (717063648).

Almost surely, 2^22352032340 is an apocalyptic number.

22352032340 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 22352032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25814291328).

22352032340 is an abundant number, since it is smaller than the sum of its proper divisors (29276550316).

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

22352032340 is a wasteful number, since it uses less digits than its factorization.

22352032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149 (or 6136 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 22352032340 its reverse (4323025322), we get a palindrome (26675057662).

The spelling of 22352032340 in words is "twenty-two billion, three hundred fifty-two million, thirty-two thousand, three hundred forty".