1223001323222 has 24 divisors (see below), whose sum is σ = 2144126352600. Its totient is φ = 521659323360.

The previous prime is 1223001323177. The next prime is 1223001323227. The reversal of 1223001323222 is 2223231003221.

It is a super-2 number, since 2×1223001323222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223001323227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29551847 + ... + 29593202.

It is an arithmetic number, because the mean of its divisors is an integer number (89338598025).

Almost surely, 2^{1223001323222} is an apocalyptic number.

1223001323222 is a deficient number, since it is larger than the sum of its proper divisors (921125029378).

1223001323222 is a wasteful number, since it uses less digits than its factorization.

1223001323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59145276 (or 59145269 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1223001323222 its reverse (2223231003221), we get a palindrome (3446232326443).

The spelling of 1223001323222 in words is "one trillion, two hundred twenty-three billion, one million, three hundred twenty-three thousand, two hundred twenty-two".