222043331 has 4 divisors (see below), whose sum is σ = 227459064. Its totient is φ = 216627600.

The previous prime is 222043279. The next prime is 222043333. The reversal of 222043331 is 133340222.

222043331 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 222043331 - 2¹⁸ = 221781187 is a prime.

It is a super-2 number, since 2×222043331² = 98606481683151122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222043333) 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, 2707805 + ... + 2707886.

It is an arithmetic number, because the mean of its divisors is an integer number (56864766).

Almost surely, 2^222043331 is an apocalyptic number.

222043331 is a deficient number, since it is larger than the sum of its proper divisors (5415733).

222043331 is an equidigital number, since it uses as much as digits as its factorization.

222043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415732.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 222043331 is about 14901.1184479555. The cubic root of 222043331 is about 605.5442871823.

Adding to 222043331 its reverse (133340222), we get a palindrome (355383553).

The spelling of 222043331 in words is "two hundred twenty-two million, forty-three thousand, three hundred thirty-one".