222034321 has 4 divisors (see below), whose sum is σ = 222987492. Its totient is φ = 221081152.

The previous prime is 222034303. The next prime is 222034333. The reversal of 222034321 is 123430222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123430222 = 2 ⋅61715111.

It can be written as a sum of positive squares in 2 ways, for example, as 157151296 + 64883025 = 12536^2 + 8055^2 .

It is a cyclic number.

It is not a de Polignac number, because 222034321 - 2¹⁵ = 222001553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222034301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476236 + ... + 476701.

It is an arithmetic number, because the mean of its divisors is an integer number (55746873).

Almost surely, 2^222034321 is an apocalyptic number.

It is an amenable number.

222034321 is a deficient number, since it is larger than the sum of its proper divisors (953171).

222034321 is an equidigital number, since it uses as much as digits as its factorization.

222034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953170.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222034321 is about 14900.8161185889. The cubic root of 222034321 is about 605.5360965470.

Adding to 222034321 its reverse (123430222), we get a palindrome (345464543).

The spelling of 222034321 in words is "two hundred twenty-two million, thirty-four thousand, three hundred twenty-one".