3626512221 has 8 divisors (see below), whose sum is σ = 4850898624. Its totient is φ = 2409900320.

The previous prime is 3626512207. The next prime is 3626512223. The reversal of 3626512221 is 1222156263.

3626512221 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 sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3626512221 - 2⁶ = 3626512157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626512223) 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, 1942536 + ... + 1944401.

It is an arithmetic number, because the mean of its divisors is an integer number (606362328).

Almost surely, 2^3626512221 is an apocalyptic number.

It is an amenable number.

3626512221 is a deficient number, since it is larger than the sum of its proper divisors (1224386403).

3626512221 is a wasteful number, since it uses less digits than its factorization.

3626512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887251.

The product of its digits is 8640, while the sum is 30.

The square root of 3626512221 is about 60220.5298963734. The cubic root of 3626512221 is about 1536.3719933542.

Adding to 3626512221 its reverse (1222156263), we get a palindrome (4848668484).

The spelling of 3626512221 in words is "three billion, six hundred twenty-six million, five hundred twelve thousand, two hundred twenty-one".