22213042303312 has 80 divisors (see below), whose sum is σ = 51804507414400. Its totient is φ = 9013647444480.

The previous prime is 22213042303259. The next prime is 22213042303327. The reversal of 22213042303312 is 21330324031222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707014 + ... + 6702682.

It is an arithmetic number, because the mean of its divisors is an integer number (647556342680).

Almost surely, 2^{22213042303312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22213042303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25902253707200).

22213042303312 is an abundant number, since it is smaller than the sum of its proper divisors (29591465111088).

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

22213042303312 is a wasteful number, since it uses less digits than its factorization.

22213042303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997444 (or 5997438 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22213042303312 its reverse (21330324031222), we get a palindrome (43543366334534).

The spelling of 22213042303312 in words is "twenty-two trillion, two hundred thirteen billion, forty-two million, three hundred three thousand, three hundred twelve".