22231006255 has 4 divisors (see below), whose sum is σ = 26677207512. Its totient is φ = 17784805000.

The previous prime is 22231006241. The next prime is 22231006271. The reversal of 22231006255 is 55260013222.

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

It is not a de Polignac number, because 22231006255 - 2³¹ = 20083522607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2223100621 + ... + 2223100630.

It is an arithmetic number, because the mean of its divisors is an integer number (6669301878).

Almost surely, 2^22231006255 is an apocalyptic number.

22231006255 is a deficient number, since it is larger than the sum of its proper divisors (4446201257).

22231006255 is an equidigital number, since it uses as much as digits as its factorization.

22231006255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446201256.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22231006255 its reverse (55260013222), we get a palindrome (77491019477).

The spelling of 22231006255 in words is "twenty-two billion, two hundred thirty-one million, six thousand, two hundred fifty-five".