22383220 has 48 divisors (see below), whose sum is σ = 50960448. Its totient is φ = 8225280.

The previous prime is 22383211. The next prime is 22383241. The reversal of 22383220 is 2238322.

It is a junction number, because it is equal to n+sod(n) for n = 22383191 and 22383200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13855 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (1061676).

Almost surely, 2^22383220 is an apocalyptic number.

22383220 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 22383220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25480224).

22383220 is an abundant number, since it is smaller than the sum of its proper divisors (28577228).

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

22383220 is a wasteful number, since it uses less digits than its factorization.

22383220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22383220 is about 4731.0907833184. The cubic root of 22383220 is about 281.8215426080.

The spelling of 22383220 in words is "twenty-two million, three hundred eighty-three thousand, two hundred twenty".