333422021 has 4 divisors (see below), whose sum is σ = 336659232. Its totient is φ = 330184812.

The previous prime is 333421997. The next prime is 333422027. The reversal of 333422021 is 120224333.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-333422021 is a prime.

It is a super-2 number, since 2×333422021² = 222340488175448882, 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 = 333421984 and 333422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333422027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618451 + ... + 1618656.

It is an arithmetic number, because the mean of its divisors is an integer number (84164808).

Almost surely, 2^333422021 is an apocalyptic number.

It is an amenable number.

333422021 is a deficient number, since it is larger than the sum of its proper divisors (3237211).

333422021 is a wasteful number, since it uses less digits than its factorization.

333422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237210.

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

The square root of 333422021 is about 18259.8472337531. The cubic root of 333422021 is about 693.4227614914.

Adding to 333422021 its reverse (120224333), we get a palindrome (453646354).

The spelling of 333422021 in words is "three hundred thirty-three million, four hundred twenty-two thousand, twenty-one".