1222352423453 has 16 divisors (see below), whose sum is σ = 1419932976000. Its totient is φ = 1030649873472.

The previous prime is 1222352423441. The next prime is 1222352423483. The reversal of 1222352423453 is 3543242532221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222352423453 - 2⁶ = 1222352423389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222352423423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656658 + ... + 5868771.

It is an arithmetic number, because the mean of its divisors is an integer number (88745811000).

Almost surely, 2^{1222352423453} is an apocalyptic number.

It is an amenable number.

1222352423453 is a deficient number, since it is larger than the sum of its proper divisors (197580552547).

1222352423453 is a wasteful number, since it uses less digits than its factorization.

1222352423453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525684.

The product of its digits is 345600, while the sum is 38.

Adding to 1222352423453 its reverse (3543242532221), we get a palindrome (4765594955674).

The spelling of 1222352423453 in words is "one trillion, two hundred twenty-two billion, three hundred fifty-two million, four hundred twenty-three thousand, four hundred fifty-three".