22209230 has 8 divisors (see below), whose sum is σ = 39976632. Its totient is φ = 8883688.

The previous prime is 22209211. The next prime is 22209251. The reversal of 22209230 is 3290222.

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

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 3 ways as a sum of consecutive naturals, for example, 1110452 + ... + 1110471.

It is an arithmetic number, because the mean of its divisors is an integer number (4997079).

Almost surely, 2^22209230 is an apocalyptic number.

22209230 is a deficient number, since it is larger than the sum of its proper divisors (17767402).

22209230 is a wasteful number, since it uses less digits than its factorization.

22209230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220930.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 22209230 is about 4712.6669731692. Note that the first 3 decimals coincide. The cubic root of 22209230 is about 281.0894207630.

Adding to 22209230 its reverse (3290222), we get a palindrome (25499452).

The spelling of 22209230 in words is "twenty-two million, two hundred nine thousand, two hundred thirty".