22010023312 has 40 divisors (see below), whose sum is σ = 44183957760. Its totient is φ = 10610355840.

The previous prime is 22010023303. The next prime is 22010023319. The reversal of 22010023312 is 21332001022.

It is a super-3 number, since 3×22010023312³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (22010023319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50943 + ... + 215905.

It is an arithmetic number, because the mean of its divisors is an integer number (1104598944).

Almost surely, 2^22010023312 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 22010023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22091978880).

22010023312 is an abundant number, since it is smaller than the sum of its proper divisors (22173934448).

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

22010023312 is a wasteful number, since it uses less digits than its factorization.

22010023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165271 (or 165265 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22010023312 its reverse (21332001022), we get a palindrome (43342024334).

The spelling of 22010023312 in words is "twenty-two billion, ten million, twenty-three thousand, three hundred twelve".