20236222 has 8 divisors (see below), whose sum is σ = 32139936. Its totient is φ = 9522912.

The previous prime is 20236199. The next prime is 20236253. The reversal of 20236222 is 22263202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20236222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297558 + ... + 297625.

It is an arithmetic number, because the mean of its divisors is an integer number (4017492).

Almost surely, 2^20236222 is an apocalyptic number.

20236222 is a deficient number, since it is larger than the sum of its proper divisors (11903714).

20236222 is a wasteful number, since it uses less digits than its factorization.

20236222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595202.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20236222 is about 4498.4688506202. The cubic root of 20236222 is about 272.5062569054.

Adding to 20236222 its reverse (22263202), we get a palindrome (42499424).

The spelling of 20236222 in words is "twenty million, two hundred thirty-six thousand, two hundred twenty-two".