332023021 has 4 divisors (see below), whose sum is σ = 362206944. Its totient is φ = 301839100.

The previous prime is 332022997. The next prime is 332023079. The reversal of 332023021 is 120320233.

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 not a de Polignac number, because 332023021 - 2⁷ = 332022893 is a prime.

It is a super-2 number, since 2×332023021² = 220478572947932882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332022986 and 332023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332023091) 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, 15091945 + ... + 15091966.

It is an arithmetic number, because the mean of its divisors is an integer number (90551736).

Almost surely, 2^332023021 is an apocalyptic number.

It is an amenable number.

332023021 is a deficient number, since it is larger than the sum of its proper divisors (30183923).

332023021 is a wasteful number, since it uses less digits than its factorization.

332023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30183922.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 332023021 is about 18221.4988680953. The cubic root of 332023021 is about 692.4515614701.

Adding to 332023021 its reverse (120320233), we get a palindrome (452343254).

The spelling of 332023021 in words is "three hundred thirty-two million, twenty-three thousand, twenty-one".