222330531 has 4 divisors (see below), whose sum is σ = 296440712. Its totient is φ = 148220352.

The previous prime is 222330517. The next prime is 222330541. The reversal of 222330531 is 135033222.

222330531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222330531 - 2⁹ = 222330019 is a prime.

It is a super-3 number, since 3×222330531³ (a number of 26 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 junction number, because it is equal to n+sod(n) for n = 222330498 and 222330507.

It is not an unprimeable number, because it can be changed into a prime (222330541) 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, 37055086 + ... + 37055091.

It is an arithmetic number, because the mean of its divisors is an integer number (74110178).

Almost surely, 2^222330531 is an apocalyptic number.

222330531 is a deficient number, since it is larger than the sum of its proper divisors (74110181).

222330531 is an equidigital number, since it uses as much as digits as its factorization.

222330531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74110180.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 222330531 is about 14910.7521943060. The cubic root of 222330531 is about 605.8052533498.

Adding to 222330531 its reverse (135033222), we get a palindrome (357363753).

The spelling of 222330531 in words is "two hundred twenty-two million, three hundred thirty thousand, five hundred thirty-one".