222313231533 has 4 divisors (see below), whose sum is σ = 296417642048. Its totient is φ = 148208821020.

The previous prime is 222313231519. The next prime is 222313231537. The reversal of 222313231533 is 335132313222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222313231533 - 2¹⁰ = 222313230509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222313231533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222313231537) 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, 37052205253 + ... + 37052205258.

It is an arithmetic number, because the mean of its divisors is an integer number (74104410512).

Almost surely, 2^222313231533 is an apocalyptic number.

It is an amenable number.

222313231533 is a deficient number, since it is larger than the sum of its proper divisors (74104410515).

222313231533 is an equidigital number, since it uses as much as digits as its factorization.

222313231533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74104410514.

The product of its digits is 19440, while the sum is 30.

Adding to 222313231533 its reverse (335132313222), we get a palindrome (557445544755).

The spelling of 222313231533 in words is "two hundred twenty-two billion, three hundred thirteen million, two hundred thirty-one thousand, five hundred thirty-three".