203212223422 has 16 divisors (see below), whose sum is σ = 330099794640. Its totient is φ = 93266286912.

The previous prime is 203212223399. The next prime is 203212223443. The reversal of 203212223422 is 224322212302.

It is a super-2 number, since 2×203212223422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21827343 + ... + 21836650.

It is an arithmetic number, because the mean of its divisors is an integer number (20631237165).

Almost surely, 2^203212223422 is an apocalyptic number.

203212223422 is a deficient number, since it is larger than the sum of its proper divisors (126887571218).

203212223422 is a wasteful number, since it uses less digits than its factorization.

203212223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43664187.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203212223422 its reverse (224322212302), we get a palindrome (427534435724).

The spelling of 203212223422 in words is "two hundred three billion, two hundred twelve million, two hundred twenty-three thousand, four hundred twenty-two".