333222121 has 2 divisors, whose sum is σ = 333222122. Its totient is φ = 333222120.

The previous prime is 333222107. The next prime is 333222139. The reversal of 333222121 is 121222333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277555600 + 55666521 = 16660^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 333222121 - 2⁵ = 333222089 is a prime.

It is a super-2 number, since 2×333222121² = 222073963847477282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (333222101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166611060 + 166611061.

It is an arithmetic number, because the mean of its divisors is an integer number (166611061).

Almost surely, 2^333222121 is an apocalyptic number.

It is an amenable number.

333222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

333222121 is an equidigital number, since it uses as much as digits as its factorization.

333222121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 333222121 is about 18254.3726542437. The cubic root of 333222121 is about 693.2841554483.

Adding to 333222121 its reverse (121222333), we get a palindrome (454444454).

The spelling of 333222121 in words is "three hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-one".