22812021822 has 16 divisors (see below), whose sum is σ = 46266636672. Its totient is φ = 7496908440.

The previous prime is 22812021803. The next prime is 22812021823.

22812021822 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×22812021822³ (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 22812021822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22812021823) 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, 26774248 + ... + 26775099.

It is an arithmetic number, because the mean of its divisors is an integer number (2891664792).

Almost surely, 2^22812021822 is an apocalyptic number.

22812021822 is an abundant number, since it is smaller than the sum of its proper divisors (23454614850).

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

22812021822 is a wasteful number, since it uses less digits than its factorization.

22812021822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53549423.

The product of its (nonzero) digits is 4096, while the sum is 30.

It can be divided in two parts, 228120 and 21822, that added together give a palindrome (249942).

The spelling of 22812021822 in words is "twenty-two billion, eight hundred twelve million, twenty-one thousand, eight hundred twenty-two".