22803120 has 280 divisors, whose sum is σ = 87824736. Its totient is φ = 5474304.

The previous prime is 22803119. The next prime is 22803139. The reversal of 22803120 is 2130822.

It is a happy number.

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 = 22803093 and 22803102.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 991429 + ... + 991451.

Almost surely, 2^22803120 is an apocalyptic number.

22803120 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 22803120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43912368).

22803120 is an abundant number, since it is smaller than the sum of its proper divisors (65021616).

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

22803120 is a wasteful number, since it uses less digits than its factorization.

22803120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22803120 is about 4775.2612493978. The cubic root of 22803120 is about 283.5729215288.

Adding to 22803120 its reverse (2130822), we get a palindrome (24933942).

The spelling of 22803120 in words is "twenty-two million, eight hundred three thousand, one hundred twenty".