22343020 has 48 divisors (see below), whose sum is σ = 54734400. Its totient is φ = 7658112.

The previous prime is 22343003. The next prime is 22343029. The reversal of 22343020 is 2034322.

It is a junction number, because it is equal to n+sod(n) for n = 22342985 and 22343003.

It is not an unprimeable number, because it can be changed into a prime (22343029) 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, 5232 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (1140300).

Almost surely, 2^22343020 is an apocalyptic number.

22343020 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 22343020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27367200).

22343020 is an abundant number, since it is smaller than the sum of its proper divisors (32391380).

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

22343020 is a wasteful number, since it uses less digits than its factorization.

22343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22343020 is about 4726.8403823273. The cubic root of 22343020 is about 281.6527254439.

Adding to 22343020 its reverse (2034322), we get a palindrome (24377342).

The spelling of 22343020 in words is "twenty-two million, three hundred forty-three thousand, twenty".