22730388911 has 4 divisors (see below), whose sum is σ = 23115649800. Its totient is φ = 22345128024.

The previous prime is 22730388869. The next prime is 22730388913. The reversal of 22730388911 is 11988303722.

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 22730388911 - 2⁶ = 22730388847 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 (22730388913) 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, 192630356 + ... + 192630473.

It is an arithmetic number, because the mean of its divisors is an integer number (5778912450).

Almost surely, 2^22730388911 is an apocalyptic number.

22730388911 is a deficient number, since it is larger than the sum of its proper divisors (385260889).

22730388911 is an equidigital number, since it uses as much as digits as its factorization.

22730388911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385260888.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 22730388911 in words is "twenty-two billion, seven hundred thirty million, three hundred eighty-eight thousand, nine hundred eleven".