222232313131 has 4 divisors (see below), whose sum is σ = 222234604792. Its totient is φ = 222230021472.

The previous prime is 222232313117. The next prime is 222232313143. The reversal of 222232313131 is 131313232222.

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 222232313131 - 2¹⁷ = 222232182059 is a prime.

It is a super-2 number, since 2×222232313131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222232313096 and 222232313105.

It is not an unprimeable number, because it can be changed into a prime (222232313231) 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, 993630 + ... + 1196563.

It is an arithmetic number, because the mean of its divisors is an integer number (55558651198).

Almost surely, 2^222232313131 is an apocalyptic number.

222232313131 is a deficient number, since it is larger than the sum of its proper divisors (2291661).

222232313131 is a wasteful number, since it uses less digits than its factorization.

222232313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291660.

The product of its digits is 2592, while the sum is 25.

Adding to 222232313131 its reverse (131313232222), we get a palindrome (353545545353).

The spelling of 222232313131 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-one".