22312031863044 has 384 divisors, whose sum is σ = 74676655226880. Its totient is φ = 5000664729600.

The previous prime is 22312031863039. The next prime is 22312031863049. The reversal of 22312031863044 is 44036813021322.

It is an interprime number because it is at equal distance from previous prime (22312031863039) and next prime (22312031863049).

It is a super-3 number, since 3×22312031863044³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312031862993 and 22312031863011.

It is not an unprimeable number, because it can be changed into a prime (22312031863049) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8046219 + ... + 10457805.

It is an arithmetic number, because the mean of its divisors is an integer number (194470456320).

Almost surely, 2^{22312031863044} 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 22312031863044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37338327613440).

22312031863044 is an abundant number, since it is smaller than the sum of its proper divisors (52364623363836).

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

22312031863044 is a wasteful number, since it uses less digits than its factorization.

22312031863044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411679 (or 2411677 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 22312031863044 its reverse (44036813021322), we get a palindrome (66348844884366).

The spelling of 22312031863044 in words is "twenty-two trillion, three hundred twelve billion, thirty-one million, eight hundred sixty-three thousand, forty-four".