3586226221 has 4 divisors (see below), whose sum is σ = 3683151292. Its totient is φ = 3489301152.

The previous prime is 3586226201. The next prime is 3586226233. The reversal of 3586226221 is 1226226853.

3586226221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1226226853 = 23 ⋅53314211.

It can be written as a sum of positive squares in 2 ways, for example, as 3204805321 + 381420900 = 56611^2 + 19530^2 .

It is a cyclic number.

It is not a de Polignac number, because 3586226221 - 2²¹ = 3584129069 is a prime.

It is a super-2 number, since 2×3586226221² = 25722037016375881682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 96925033 = 3586226221 / (3 + 5 + 8 + 6 + 2 + 2 + 6 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3586226201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48462480 + ... + 48462553.

It is an arithmetic number, because the mean of its divisors is an integer number (920787823).

Almost surely, 2^3586226221 is an apocalyptic number.

It is an amenable number.

3586226221 is a deficient number, since it is larger than the sum of its proper divisors (96925071).

3586226221 is an equidigital number, since it uses as much as digits as its factorization.

3586226221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96925070.

The product of its digits is 69120, while the sum is 37.

The square root of 3586226221 is about 59885.1085078753. The cubic root of 3586226221 is about 1530.6617413163.

The spelling of 3586226221 in words is "three billion, five hundred eighty-six million, two hundred twenty-six thousand, two hundred twenty-one".