22063320 has 128 divisors (see below), whose sum is σ = 76032000. Its totient is φ = 5685120.

The previous prime is 22063291. The next prime is 22063337. The reversal of 22063320 is 2336022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22063293 and 22063302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33151 + ... + 33809.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 2^22063320 is an apocalyptic number.

22063320 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 22063320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38016000).

22063320 is an abundant number, since it is smaller than the sum of its proper divisors (53968680).

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

22063320 is a wasteful number, since it uses less digits than its factorization.

22063320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 700 counting only the distinct ones).

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

The square root of 22063320 is about 4697.1608445954. The cubic root of 22063320 is about 280.4725015223.

Adding to 22063320 its reverse (2336022), we get a palindrome (24399342).

The spelling of 22063320 in words is "twenty-two million, sixty-three thousand, three hundred twenty".