1222510644023 has 4 divisors (see below), whose sum is σ = 1239257365248. Its totient is φ = 1205763922800.

The previous prime is 1222510644011. The next prime is 1222510644071. The reversal of 1222510644023 is 3204460152221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222510644023 - 2²² = 1222506449719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222510644073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8373360503 + ... + 8373360648.

It is an arithmetic number, because the mean of its divisors is an integer number (309814341312).

Almost surely, 2^{1222510644023} is an apocalyptic number.

1222510644023 is a deficient number, since it is larger than the sum of its proper divisors (16746721225).

1222510644023 is an equidigital number, since it uses as much as digits as its factorization.

1222510644023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16746721224.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1222510644023 its reverse (3204460152221), we get a palindrome (4426970796244).

The spelling of 1222510644023 in words is "one trillion, two hundred twenty-two billion, five hundred ten million, six hundred forty-four thousand, twenty-three".