2313000021222 has 96 divisors (see below), whose sum is σ = 5709446196480. Its totient is φ = 669887655360.

The previous prime is 2313000021217. The next prime is 2313000021301. The reversal of 2313000021222 is 2221200003132.

It is a super-3 number, since 3×2313000021222³ (a number of 38 digits) contains 333 as substring.

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 = 2313000021195 and 2313000021204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5390233 + ... + 5803499.

It is an arithmetic number, because the mean of its divisors is an integer number (59473397880).

Almost surely, 2^{2313000021222} is an apocalyptic number.

2313000021222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313000021222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854723098240).

2313000021222 is an abundant number, since it is smaller than the sum of its proper divisors (3396446175258).

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

2313000021222 is a wasteful number, since it uses less digits than its factorization.

2313000021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414538 (or 414535 counting only the distinct ones).

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

Adding to 2313000021222 its reverse (2221200003132), we get a palindrome (4534200024354).

The spelling of 2313000021222 in words is "two trillion, three hundred thirteen billion, twenty-one thousand, two hundred twenty-two".