22304030 has 16 divisors (see below), whose sum is σ = 45882720. Its totient is φ = 7647072.

The previous prime is 22304027. The next prime is 22304033. The reversal of 22304030 is 3040322.

It is an interprime number because it is at equal distance from previous prime (22304027) and next prime (22304033).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22303996 and 22304014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304033) 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, 159245 + ... + 159384.

It is an arithmetic number, because the mean of its divisors is an integer number (2867670).

Almost surely, 2^22304030 is an apocalyptic number.

22304030 is an abundant number, since it is smaller than the sum of its proper divisors (23578690).

22304030 is a wasteful number, since it uses less digits than its factorization.

22304030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318643.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22304030 is about 4722.7142619473. The cubic root of 22304030 is about 281.4887960400.

Adding to 22304030 its reverse (3040322), we get a palindrome (25344352).

It can be divided in two parts, 2 and 2304030, that added together give a palindrome (2304032).

The spelling of 22304030 in words is "twenty-two million, three hundred four thousand, thirty".