203212242222 has 32 divisors (see below), whose sum is σ = 443445715584. Its totient is φ = 61569252000.

The previous prime is 203212242209. The next prime is 203212242223. The reversal of 203212242222 is 222242212302.

It is a junction number, because it is equal to n+sod(n) for n = 203212242192 and 203212242201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212242223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150333 + ... + 654999.

It is an arithmetic number, because the mean of its divisors is an integer number (13857678612).

Almost surely, 2^203212242222 is an apocalyptic number.

203212242222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203212242222 is an abundant number, since it is smaller than the sum of its proper divisors (240233473362).

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

203212242222 is a wasteful number, since it uses less digits than its factorization.

203212242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510784.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 203212242222 its reverse (222242212302), we get a palindrome (425454454524).

The spelling of 203212242222 in words is "two hundred three billion, two hundred twelve million, two hundred forty-two thousand, two hundred twenty-two".