22322110212 has 36 divisors (see below), whose sum is σ = 57950346636. Its totient is φ = 7239602880.

The previous prime is 22322110193. The next prime is 22322110229. The reversal of 22322110212 is 21201122322.

22322110212 is a `hidden beast` number, since 22 + 322 + 110 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8694816516 + 13627293696 = 93246^2 + 116736^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22322110212³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8377839 + ... + 8380502.

It is an arithmetic number, because the mean of its divisors is an integer number (1609731851).

Almost surely, 2^22322110212 is an apocalyptic number.

It is an amenable number.

22322110212 is an abundant number, since it is smaller than the sum of its proper divisors (35628236424).

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

22322110212 is a wasteful number, since it uses less digits than its factorization.

22322110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758388 (or 16758383 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22322110212 its reverse (21201122322), we get a palindrome (43523232534).

It can be divided in two parts, 22322110 and 212, that added together give a palindrome (22322322).

The spelling of 22322110212 in words is "twenty-two billion, three hundred twenty-two million, one hundred ten thousand, two hundred twelve".