22276312257 has 4 divisors (see below), whose sum is σ = 29701749680. Its totient is φ = 14850874836.

The previous prime is 22276312243. The next prime is 22276312283. The reversal of 22276312257 is 75221367222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22276312257 - 2⁶ = 22276312193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22276312207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712718707 + ... + 3712718712.

It is an arithmetic number, because the mean of its divisors is an integer number (7425437420).

Almost surely, 2^22276312257 is an apocalyptic number.

It is an amenable number.

22276312257 is a deficient number, since it is larger than the sum of its proper divisors (7425437423).

22276312257 is an equidigital number, since it uses as much as digits as its factorization.

22276312257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425437422.

The product of its digits is 141120, while the sum is 39.

Adding to 22276312257 its reverse (75221367222), we get a palindrome (97497679479).

The spelling of 22276312257 in words is "twenty-two billion, two hundred seventy-six million, three hundred twelve thousand, two hundred fifty-seven".