2632343221 has 4 divisors (see below), whose sum is σ = 2634922444. Its totient is φ = 2629764000.

The previous prime is 2632343191. The next prime is 2632343251. The reversal of 2632343221 is 1223432362.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2632343191) and next prime (2632343251).

It can be written as a sum of positive squares in 2 ways, for example, as 757020196 + 1875323025 = 27514^2 + 43305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2632343221 - 2⁷ = 2632343093 is a prime.

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 2632343221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2632343251) 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, 1288080 + ... + 1290121.

It is an arithmetic number, because the mean of its divisors is an integer number (658730611).

Almost surely, 2^2632343221 is an apocalyptic number.

It is an amenable number.

2632343221 is a deficient number, since it is larger than the sum of its proper divisors (2579223).

2632343221 is a wasteful number, since it uses less digits than its factorization.

2632343221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579222.

The product of its digits is 10368, while the sum is 28.

The square root of 2632343221 is about 51306.3662813885. The cubic root of 2632343221 is about 1380.7472010750.

Adding to 2632343221 its reverse (1223432362), we get a palindrome (3855775583).

The spelling of 2632343221 in words is "two billion, six hundred thirty-two million, three hundred forty-three thousand, two hundred twenty-one".