3233421021 has 4 divisors (see below), whose sum is σ = 4311228032. Its totient is φ = 2155614012.

The previous prime is 3233421019. The next prime is 3233421041. The reversal of 3233421021 is 1201243323.

3233421021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3233421021 - 2¹ = 3233421019 is a prime.

It is a super-2 number, since 2×3233421021² = 20910022998089364882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3233421041) 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, 538903501 + ... + 538903506.

It is an arithmetic number, because the mean of its divisors is an integer number (1077807008).

Almost surely, 2^3233421021 is an apocalyptic number.

It is an amenable number.

3233421021 is a deficient number, since it is larger than the sum of its proper divisors (1077807011).

3233421021 is a wasteful number, since it uses less digits than its factorization.

3233421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077807010.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3233421021 is about 56863.1780768539. The cubic root of 3233421021 is about 1478.7250130029.

Adding to 3233421021 its reverse (1201243323), we get a palindrome (4434664344).

The spelling of 3233421021 in words is "three billion, two hundred thirty-three million, four hundred twenty-one thousand, twenty-one".