2303112222 has 48 divisors (see below), whose sum is σ = 5220397728. Its totient is φ = 732441600.

The previous prime is 2303112209. The next prime is 2303112223. The reversal of 2303112222 is 2222113032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2303112195 and 2303112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303112223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159078 + ... + 172950.

It is an arithmetic number, because the mean of its divisors is an integer number (108758286).

Almost surely, 2^2303112222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2610198864).

2303112222 is an abundant number, since it is smaller than the sum of its proper divisors (2917285506).

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

2303112222 is a wasteful number, since it uses less digits than its factorization.

2303112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14305 (or 14302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2303112222 is about 47990.7514214979. The cubic root of 2303112222 is about 1320.6012378127.

Adding to 2303112222 its reverse (2222113032), we get a palindrome (4525225254).

It can be divided in two parts, 23031 and 12222, that added together give a palindrome (35253).

The spelling of 2303112222 in words is "two billion, three hundred three million, one hundred twelve thousand, two hundred twenty-two".