2221023222104 has 16 divisors (see below), whose sum is σ = 4345480217520. Its totient is φ = 1062228497440.

The previous prime is 2221023222101. The next prime is 2221023222113. The reversal of 2221023222104 is 4012223201222.

It is a super-2 number, since 2×2221023222104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 2221023222104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221023222101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6035389007 + ... + 6035389374.

It is an arithmetic number, because the mean of its divisors is an integer number (271592513595).

Almost surely, 2^{2221023222104} is an apocalyptic number.

It is an amenable number.

2221023222104 is a deficient number, since it is larger than the sum of its proper divisors (2124456995416).

2221023222104 is a wasteful number, since it uses less digits than its factorization.

2221023222104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070778410 (or 12070778406 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2221023222104 its reverse (4012223201222), we get a palindrome (6233246423326).

The spelling of 2221023222104 in words is "two trillion, two hundred twenty-one billion, twenty-three million, two hundred twenty-two thousand, one hundred four".