22230324 has 18 divisors (see below), whose sum is σ = 56193410. Its totient is φ = 7410096.

The previous prime is 22230311. The next prime is 22230343. The reversal of 22230324 is 42303222.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 2782224 = 4410^2 + 1668^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 = 22230297 and 22230306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308719 + ... + 308790.

Almost surely, 2^22230324 is an apocalyptic number.

It is an amenable number.

22230324 is an abundant number, since it is smaller than the sum of its proper divisors (33963086).

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

22230324 is a wasteful number, since it uses less digits than its factorization.

22230324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617519 (or 617514 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22230324 is about 4714.9044529025. The cubic root of 22230324 is about 281.1783841361.

Adding to 22230324 its reverse (42303222), we get a palindrome (64533546).

The spelling of 22230324 in words is "twenty-two million, two hundred thirty thousand, three hundred twenty-four".