22313313012 has 48 divisors (see below), whose sum is σ = 54366584832. Its totient is φ = 7109345760.

The previous prime is 22313312977. The next prime is 22313313019. The reversal of 22313313012 is 21031331322.

It is a super-3 number, since 3×22313313012³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22313313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313313019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371437 + ... + 427307.

It is an arithmetic number, because the mean of its divisors is an integer number (1132637184).

Almost surely, 2^22313313012 is an apocalyptic number.

It is an amenable number.

22313313012 is an abundant number, since it is smaller than the sum of its proper divisors (32053271820).

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

22313313012 is a wasteful number, since it uses less digits than its factorization.

22313313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57348 (or 57346 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22313313012 its reverse (21031331322), we get a palindrome (43344644334).

The spelling of 22313313012 in words is "twenty-two billion, three hundred thirteen million, three hundred thirteen thousand, twelve".