22022310444 has 12 divisors (see below), whose sum is σ = 51385391064. Its totient is φ = 7340770144.

The previous prime is 22022310433. The next prime is 22022310451. The reversal of 22022310444 is 44401322022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22022310444² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 917596257 + ... + 917596280.

It is an arithmetic number, because the mean of its divisors is an integer number (4282115922).

Almost surely, 2^22022310444 is an apocalyptic number.

It is an amenable number.

22022310444 is an abundant number, since it is smaller than the sum of its proper divisors (29363080620).

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

22022310444 is a wasteful number, since it uses less digits than its factorization.

22022310444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835192544 (or 1835192542 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22022310444 its reverse (44401322022), we get a palindrome (66423632466).

The spelling of 22022310444 in words is "twenty-two billion, twenty-two million, three hundred ten thousand, four hundred forty-four".