2312220312322 has 4 divisors (see below), whose sum is σ = 3468330468486. Its totient is φ = 1156110156160.

The previous prime is 2312220312277. The next prime is 2312220312331. The reversal of 2312220312322 is 2232130222132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2004118717561 + 308101594761 = 1415669^2 + 555069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578055078079 + ... + 578055078082.

Almost surely, 2^{2312220312322} is an apocalyptic number.

2312220312322 is a deficient number, since it is larger than the sum of its proper divisors (1156110156164).

2312220312322 is a wasteful number, since it uses less digits than its factorization.

2312220312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156110156163.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2312220312322 its reverse (2232130222132), we get a palindrome (4544350534454).

The spelling of 2312220312322 in words is "two trillion, three hundred twelve billion, two hundred twenty million, three hundred twelve thousand, three hundred twenty-two".