22230140231 has 4 divisors (see below), whose sum is σ = 23940151032. Its totient is φ = 20520129432.

The previous prime is 22230140227. The next prime is 22230140249. The reversal of 22230140231 is 13204103222.

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 22230140231 - 2² = 22230140227 is a prime.

It is a super-2 number, since 2×22230140231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230140431) 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, 855005381 + ... + 855005406.

It is an arithmetic number, because the mean of its divisors is an integer number (5985037758).

Almost surely, 2^22230140231 is an apocalyptic number.

22230140231 is a deficient number, since it is larger than the sum of its proper divisors (1710010801).

22230140231 is a wasteful number, since it uses less digits than its factorization.

22230140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710010800.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22230140231 its reverse (13204103222), we get a palindrome (35434243453).

The spelling of 22230140231 in words is "twenty-two billion, two hundred thirty million, one hundred forty thousand, two hundred thirty-one".