2223312312 has 128 divisors (see below), whose sum is σ = 6204764160. Its totient is φ = 659266560.

The previous prime is 2223312269. The next prime is 2223312331. The reversal of 2223312312 is 2132133222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4419853 + ... + 4420355.

It is an arithmetic number, because the mean of its divisors is an integer number (48474720).

Almost surely, 2^2223312312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3102382080).

2223312312 is an abundant number, since it is smaller than the sum of its proper divisors (3981451848).

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

2223312312 is a wasteful number, since it uses less digits than its factorization.

2223312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1009 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2223312312 is about 47152.0128096352. The cubic root of 2223312312 is about 1305.1692233688.

Adding to 2223312312 its reverse (2132133222), we get a palindrome (4355445534).

The spelling of 2223312312 in words is "two billion, two hundred twenty-three million, three hundred twelve thousand, three hundred twelve".