2312221202220 has 24 divisors (see below), whose sum is σ = 6474219366384. Its totient is φ = 616592320576.

The previous prime is 2312221202219. The next prime is 2312221202323. The reversal of 2312221202220 is 222021222132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19268509959 + ... + 19268510078.

It is an arithmetic number, because the mean of its divisors is an integer number (269759140266).

Almost surely, 2^{2312221202220} is an apocalyptic number.

2312221202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312221202220 is an abundant number, since it is smaller than the sum of its proper divisors (4161998164164).

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

2312221202220 is a wasteful number, since it uses less digits than its factorization.

2312221202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38537020049 (or 38537020047 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2312221202220 its reverse (222021222132), we get a palindrome (2534242424352).

The spelling of 2312221202220 in words is "two trillion, three hundred twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".