12222347635 has 4 divisors (see below), whose sum is σ = 14666817168. Its totient is φ = 9777878104.

The previous prime is 12222347629. The next prime is 12222347651. The reversal of 12222347635 is 53674322221.

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 12222347635 - 2⁷ = 12222347507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222347594 and 12222347603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222234759 + ... + 1222234768.

It is an arithmetic number, because the mean of its divisors is an integer number (3666704292).

Almost surely, 2^12222347635 is an apocalyptic number.

12222347635 is a deficient number, since it is larger than the sum of its proper divisors (2444469533).

12222347635 is an equidigital number, since it uses as much as digits as its factorization.

12222347635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444469532.

The product of its digits is 120960, while the sum is 37.

Adding to 12222347635 its reverse (53674322221), we get a palindrome (65896669856).

The spelling of 12222347635 in words is "twelve billion, two hundred twenty-two million, three hundred forty-seven thousand, six hundred thirty-five".