2232232021 has 8 divisors (see below), whose sum is σ = 2238667704. Its totient is φ = 2225807040.

The previous prime is 2232232001. The next prime is 2232232049. The reversal of 2232232021 is 1202322322.

It can be written as a sum of positive squares in 4 ways, for example, as 1443240100 + 788991921 = 37990^2 + 28089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2232232021 - 2⁹ = 2232231509 is a prime.

It is a super-3 number, since 3×2232232021³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2232232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232232001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582291 + ... + 586111.

It is an arithmetic number, because the mean of its divisors is an integer number (279833463).

Almost surely, 2^2232232021 is an apocalyptic number.

It is an amenable number.

2232232021 is a deficient number, since it is larger than the sum of its proper divisors (6435683).

2232232021 is an equidigital number, since it uses as much as digits as its factorization.

2232232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2232232021 is about 47246.5027382980. The cubic root of 2232232021 is about 1306.9122976884.

Adding to 2232232021 its reverse (1202322322), we get a palindrome (3434554343).

The spelling of 2232232021 in words is "two billion, two hundred thirty-two million, two hundred thirty-two thousand, twenty-one".