222334121 has 4 divisors (see below), whose sum is σ = 222364032. Its totient is φ = 222304212.

The previous prime is 222334069. The next prime is 222334141. The reversal of 222334121 is 121433222.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 121433222 = 2 ⋅60716611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222334121 is a prime.

It is a super-2 number, since 2×222334121² = 98864922721685282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222334093 and 222334102.

It is not an unprimeable number, because it can be changed into a prime (222334141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5756 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (55591008).

Almost surely, 2^222334121 is an apocalyptic number.

It is an amenable number.

222334121 is a deficient number, since it is larger than the sum of its proper divisors (29911).

222334121 is a wasteful number, since it uses less digits than its factorization.

222334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29910.

The product of its digits is 576, while the sum is 20.

The square root of 222334121 is about 14910.8725767475. The cubic root of 222334121 is about 605.8085140043.

Adding to 222334121 its reverse (121433222), we get a palindrome (343767343).

The spelling of 222334121 in words is "two hundred twenty-two million, three hundred thirty-four thousand, one hundred twenty-one".