20043222 has 16 divisors (see below), whose sum is σ = 40843440. Its totient is φ = 6554912.

The previous prime is 20043211. The next prime is 20043223. The reversal of 20043222 is 22234002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31197 + ... + 31832.

It is an arithmetic number, because the mean of its divisors is an integer number (2552715).

Almost surely, 2^20043222 is an apocalyptic number.

20043222 is an abundant number, since it is smaller than the sum of its proper divisors (20800218).

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

20043222 is a wasteful number, since it uses less digits than its factorization.

20043222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63087.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20043222 is about 4476.9657135162. The cubic root of 20043222 is about 271.6371585666.

Adding to 20043222 its reverse (22234002), we get a palindrome (42277224).

The spelling of 20043222 in words is "twenty million, forty-three thousand, two hundred twenty-two".