22303000 has 32 divisors (see below), whose sum is σ = 52191360. Its totient is φ = 8920800.

The previous prime is 22302989. The next prime is 22303007. The reversal of 22303000 is 30322.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10152 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (1630980).

Almost surely, 2^22303000 is an apocalyptic number.

22303000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22303000 is an abundant number, since it is smaller than the sum of its proper divisors (29888360).

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

22303000 is a wasteful number, since it uses less digits than its factorization.

22303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324 (or 22310 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 22303000 is about 4722.6052132271. The cubic root of 22303000 is about 281.4844629228.

Adding to 22303000 its reverse (30322), we get a palindrome (22333322).

The spelling of 22303000 in words is "twenty-two million, three hundred three thousand".