2233212021 has 12 divisors (see below), whose sum is σ = 3415500972. Its totient is φ = 1401230976.

The previous prime is 2233212017. The next prime is 2233212043. The reversal of 2233212021 is 1202123322.

It can be written as a sum of positive squares in 2 ways, for example, as 1397712996 + 835499025 = 37386^2 + 28905^2 .

It is not a de Polignac number, because 2233212021 - 2² = 2233212017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2233211985 and 2233212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233212001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7297926 + ... + 7298231.

It is an arithmetic number, because the mean of its divisors is an integer number (284625081).

Almost surely, 2^2233212021 is an apocalyptic number.

It is an amenable number.

2233212021 is a deficient number, since it is larger than the sum of its proper divisors (1182288951).

2233212021 is a wasteful number, since it uses less digits than its factorization.

2233212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596180 (or 14596177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2233212021 is about 47256.8727382589. The cubic root of 2233212021 is about 1307.1035243255.

Adding to 2233212021 its reverse (1202123322), we get a palindrome (3435335343).

The spelling of 2233212021 in words is "two billion, two hundred thirty-three million, two hundred twelve thousand, twenty-one".