2311213222 has 8 divisors (see below), whose sum is σ = 3486859776. Its totient is φ = 1148926632.

The previous prime is 2311213207. The next prime is 2311213231. The reversal of 2311213222 is 2223121132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2311213222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3339558 + ... + 3340249.

It is an arithmetic number, because the mean of its divisors is an integer number (435857472).

Almost surely, 2^2311213222 is an apocalyptic number.

2311213222 is a deficient number, since it is larger than the sum of its proper divisors (1175646554).

2311213222 is a wasteful number, since it uses less digits than its factorization.

2311213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679982.

The product of its digits is 288, while the sum is 19.

The square root of 2311213222 is about 48075.0790118955. The cubic root of 2311213222 is about 1322.1477931877.

Adding to 2311213222 its reverse (2223121132), we get a palindrome (4534334354).

The spelling of 2311213222 in words is "two billion, three hundred eleven million, two hundred thirteen thousand, two hundred twenty-two".