22222013231 has 8 divisors (see below), whose sum is σ = 24261904128. Its totient is φ = 20185407000.

The previous prime is 22222013221. The next prime is 22222013237. The reversal of 22222013231 is 13231022222.

It is a happy number.

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

It is not a de Polignac number, because 22222013231 - 2³⁰ = 21148271407 is a prime.

It is a super-2 number, since 2×22222013231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222013237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807005 + ... + 834086.

It is an arithmetic number, because the mean of its divisors is an integer number (3032738016).

Almost surely, 2^22222013231 is an apocalyptic number.

22222013231 is a deficient number, since it is larger than the sum of its proper divisors (2039890897).

22222013231 is a wasteful number, since it uses less digits than its factorization.

22222013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642333.

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

Adding to 22222013231 its reverse (13231022222), we get a palindrome (35453035453).

The spelling of 22222013231 in words is "twenty-two billion, two hundred twenty-two million, thirteen thousand, two hundred thirty-one".