22113001231 has 8 divisors (see below), whose sum is σ = 22145526000. Its totient is φ = 22080502080.

The previous prime is 22113001223. The next prime is 22113001279. The reversal of 22113001231 is 13210031122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22113001231 - 2³ = 22113001223 is a prime.

It is a super-3 number, since 3×22113001231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113001201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2277435 + ... + 2287123.

It is an arithmetic number, because the mean of its divisors is an integer number (2768190750).

Almost surely, 2^22113001231 is an apocalyptic number.

22113001231 is a deficient number, since it is larger than the sum of its proper divisors (32524769).

22113001231 is a wasteful number, since it uses less digits than its factorization.

22113001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12809.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22113001231 its reverse (13210031122), we get a palindrome (35323032353).

The spelling of 22113001231 in words is "twenty-two billion, one hundred thirteen million, one thousand, two hundred thirty-one".