22351004227 has 2 divisors, whose sum is σ = 22351004228. Its totient is φ = 22351004226.

The previous prime is 22351004213. The next prime is 22351004257. The reversal of 22351004227 is 72240015322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22351004227 - 2¹⁹ = 22350479939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22351004195 and 22351004204.

It is not a weakly prime, because it can be changed into another prime (22351004257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11175502113 + 11175502114.

It is an arithmetic number, because the mean of its divisors is an integer number (11175502114).

Almost surely, 2^22351004227 is an apocalyptic number.

22351004227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22351004227 is an equidigital number, since it uses as much as digits as its factorization.

22351004227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 22351004227 its reverse (72240015322), we get a palindrome (94591019549).

The spelling of 22351004227 in words is "twenty-two billion, three hundred fifty-one million, four thousand, two hundred twenty-seven".