1223554553222 has 16 divisors (see below), whose sum is σ = 1898651439360. Its totient is φ = 590671458048.

The previous prime is 1223554553147. The next prime is 1223554553239. The reversal of 1223554553222 is 2223554553221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223554553222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4152278 + ... + 4437174.

It is an arithmetic number, because the mean of its divisors is an integer number (118665714960).

Almost surely, 2^{1223554553222} is an apocalyptic number.

1223554553222 is a deficient number, since it is larger than the sum of its proper divisors (675096886138).

1223554553222 is a wasteful number, since it uses less digits than its factorization.

1223554553222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358975.

The product of its digits is 720000, while the sum is 41.

Subtracting 1223554553222 from its reverse (2223554553221), we obtain a palindrome (999999999999).

The spelling of 1223554553222 in words is "one trillion, two hundred twenty-three billion, five hundred fifty-four million, five hundred fifty-three thousand, two hundred twenty-two".