22030200 has 72 divisors (see below), whose sum is σ = 73990800. Its totient is φ = 5874240.

The previous prime is 22030199. The next prime is 22030201. The reversal of 22030200 is 203022.

It is an interprime number because it is at equal distance from previous prime (22030199) and next prime (22030201).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4320 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (1027650).

Almost surely, 2^22030200 is an apocalyptic number.

22030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22030200 is an abundant number, since it is smaller than the sum of its proper divisors (51960600).

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

22030200 is a wasteful number, since it uses less digits than its factorization.

22030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261 (or 12249 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 22030200 is about 4693.6339865823. The cubic root of 22030200 is about 280.3320889693.

Adding to 22030200 its reverse (203022), we get a palindrome (22233222).

The spelling of 22030200 in words is "twenty-two million, thirty thousand, two hundred".