22340232220 has 48 divisors (see below), whose sum is σ = 48200604480. Its totient is φ = 8691300864.

The previous prime is 22340232203. The next prime is 22340232227. The reversal of 22340232220 is 2223204322.

It is a super-2 number, since 2×22340232220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22340232191 and 22340232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340232227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117001 + ... + 3124159.

It is an arithmetic number, because the mean of its divisors is an integer number (1004179260).

Almost surely, 2^22340232220 is an apocalyptic number.

22340232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22340232220 is an abundant number, since it is smaller than the sum of its proper divisors (25860372260).

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

22340232220 is a wasteful number, since it uses less digits than its factorization.

22340232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422 (or 11420 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22340232220 its reverse (2223204322), we get a palindrome (24563436542).

The spelling of 22340232220 in words is "twenty-two billion, three hundred forty million, two hundred thirty-two thousand, two hundred twenty".