22304214 has 32 divisors (see below), whose sum is σ = 52176000. Its totient is φ = 7043112.

The previous prime is 22304207. The next prime is 22304251. The reversal of 22304214 is 41240322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9844 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (1630500).

Almost surely, 2^22304214 is an apocalyptic number.

22304214 is an abundant number, since it is smaller than the sum of its proper divisors (29871786).

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

22304214 is a wasteful number, since it uses less digits than its factorization.

22304214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21769 (or 21763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22304214 is about 4722.7337422302. The cubic root of 22304214 is about 281.4895700973.

Adding to 22304214 its reverse (41240322), we get a palindrome (63544536).

The spelling of 22304214 in words is "twenty-two million, three hundred four thousand, two hundred fourteen".