122221143444 has 24 divisors (see below), whose sum is σ = 285210561888. Its totient is φ = 40736396320.

The previous prime is 122221143437. The next prime is 122221143491. The reversal of 122221143444 is 444341122221.

It is a super-2 number, since 2×122221143444² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368967 + ... + 616910.

It is an arithmetic number, because the mean of its divisors is an integer number (11883773412).

Almost surely, 2^122221143444 is an apocalyptic number.

It is an amenable number.

122221143444 is an abundant number, since it is smaller than the sum of its proper divisors (162989418444).

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

122221143444 is a wasteful number, since it uses less digits than its factorization.

122221143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996215 (or 996213 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 122221143444 its reverse (444341122221), we get a palindrome (566562265665).

The spelling of 122221143444 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred forty-three thousand, four hundred forty-four".