22230472727 has 4 divisors (see below), whose sum is σ = 22231557936. Its totient is φ = 22229387520.

The previous prime is 22230472723. The next prime is 22230472753. The reversal of 22230472727 is 72727403222.

It is a happy number.

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 22230472727 - 2² = 22230472723 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 (22230472721) 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, 511274 + ... + 553047.

It is an arithmetic number, because the mean of its divisors is an integer number (5557889484).

Almost surely, 2^22230472727 is an apocalyptic number.

22230472727 is a deficient number, since it is larger than the sum of its proper divisors (1085209).

22230472727 is a wasteful number, since it uses less digits than its factorization.

22230472727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085208.

The product of its (nonzero) digits is 131712, while the sum is 38.

Adding to 22230472727 its reverse (72727403222), we get a palindrome (94957875949).

The spelling of 22230472727 in words is "twenty-two billion, two hundred thirty million, four hundred seventy-two thousand, seven hundred twenty-seven".