2221222342104 has 128 divisors (see below), whose sum is σ = 6313403520000. Its totient is φ = 723266796672.

The previous prime is 2221222342093. The next prime is 2221222342111. The reversal of 2221222342104 is 4012432221222.

2221222342104 is a `hidden beast` number, since 2 + 2 + 2 + 12 + 223 + 421 + 0 + 4 = 666.

It is a super-2 number, since 2×2221222342104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 5100322 + ... + 5518670.

It is an arithmetic number, because the mean of its divisors is an integer number (49323465000).

Almost surely, 2^{2221222342104} is an apocalyptic number.

2221222342104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221222342104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3156701760000).

2221222342104 is an abundant number, since it is smaller than the sum of its proper divisors (4092181177896).

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

2221222342104 is a wasteful number, since it uses less digits than its factorization.

2221222342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418934 (or 418924 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2221222342104 its reverse (4012432221222), we get a palindrome (6233654563326).

The spelling of 2221222342104 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, three hundred forty-two thousand, one hundred four".