3572152221 has 16 divisors (see below), whose sum is σ = 5200937280. Its totient is φ = 2162824320.

The previous prime is 3572152193. The next prime is 3572152229. The reversal of 3572152221 is 1222512753.

3572152221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3572152221 - 2¹⁴ = 3572135837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3572152229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18306 + ... + 86483.

It is an arithmetic number, because the mean of its divisors is an integer number (325058580).

Almost surely, 2^3572152221 is an apocalyptic number.

It is an amenable number.

3572152221 is a deficient number, since it is larger than the sum of its proper divisors (1628785059).

3572152221 is a wasteful number, since it uses less digits than its factorization.

3572152221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105836.

The product of its digits is 8400, while the sum is 30.

The square root of 3572152221 is about 59767.4846467542. The cubic root of 3572152221 is about 1528.6567761566.

Adding to 3572152221 its reverse (1222512753), we get a palindrome (4794664974).

The spelling of 3572152221 in words is "three billion, five hundred seventy-two million, one hundred fifty-two thousand, two hundred twenty-one".