22306330 has 8 divisors (see below), whose sum is σ = 40151412. Its totient is φ = 8922528.

The previous prime is 22306321. The next prime is 22306331. The reversal of 22306330 is 3360322.

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 1540081 = 4557^2 + 1241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22306298 and 22306307.

It is not an unprimeable number, because it can be changed into a prime (22306331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115307 + ... + 1115326.

Almost surely, 2^22306330 is an apocalyptic number.

22306330 is a deficient number, since it is larger than the sum of its proper divisors (17845082).

22306330 is a wasteful number, since it uses less digits than its factorization.

22306330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230640.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 22306330 is about 4722.9577597095. The cubic root of 22306330 is about 281.4984714511.

Adding to 22306330 its reverse (3360322), we get a palindrome (25666652).

The spelling of 22306330 in words is "twenty-two million, three hundred six thousand, three hundred thirty".