1223231400222 has 32 divisors (see below), whose sum is σ = 2636860873248. Its totient is φ = 376063374336.

The previous prime is 1223231400211. The next prime is 1223231400289. The reversal of 1223231400222 is 2220041323221.

It is a junction number, because it is equal to n+sod(n) for n = 1223231400192 and 1223231400201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6479643 + ... + 6665750.

It is an arithmetic number, because the mean of its divisors is an integer number (82401902289).

Almost surely, 2^{1223231400222} is an apocalyptic number.

1223231400222 is an abundant number, since it is smaller than the sum of its proper divisors (1413629473026).

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

1223231400222 is a wasteful number, since it uses less digits than its factorization.

1223231400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146604.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1223231400222 its reverse (2220041323221), we get a palindrome (3443272723443).

The spelling of 1223231400222 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-one million, four hundred thousand, two hundred twenty-two".