20003222 has 16 divisors (see below), whose sum is σ = 30497472. Its totient is φ = 9838920.

The previous prime is 20003201. The next prime is 20003227. The reversal of 20003222 is 22230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003227) 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, 44933 + ... + 45375.

It is an arithmetic number, because the mean of its divisors is an integer number (1906092).

Almost surely, 2^20003222 is an apocalyptic number.

20003222 is a deficient number, since it is larger than the sum of its proper divisors (10494250).

20003222 is a wasteful number, since it uses less digits than its factorization.

20003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20003222 is about 4472.4961710436. The cubic root of 20003222 is about 271.4563372994.

Adding to 20003222 its reverse (22230002), we get a palindrome (42233224).

The spelling of 20003222 in words is "twenty million, three thousand, two hundred twenty-two".