1223235213222 has 16 divisors (see below), whose sum is σ = 2668876828992. Its totient is φ = 370677337320.

The previous prime is 1223235213217. The next prime is 1223235213223. The reversal of 1223235213222 is 2223125323221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223235213222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223235213223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9266933368 + ... + 9266933499.

It is an arithmetic number, because the mean of its divisors is an integer number (166804801812).

Almost surely, 2^{1223235213222} is an apocalyptic number.

1223235213222 is an abundant number, since it is smaller than the sum of its proper divisors (1445641615770).

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

1223235213222 is a wasteful number, since it uses less digits than its factorization.

1223235213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533866883.

The product of its digits is 17280, while the sum is 30.

The spelling of 1223235213222 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-five million, two hundred thirteen thousand, two hundred twenty-two".