3226148581 has 4 divisors (see below), whose sum is σ = 3229660000. Its totient is φ = 3222637164.

The previous prime is 3226148503. The next prime is 3226148609. The reversal of 3226148581 is 1858416223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3226148581 - 2¹⁹ = 3225624293 is a prime.

It is a super-2 number, since 2×3226148581² = 20816069333376627122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3226148281) 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, 1754331 + ... + 1756168.

It is an arithmetic number, because the mean of its divisors is an integer number (807415000).

Almost surely, 2^3226148581 is an apocalyptic number.

It is an amenable number.

3226148581 is a deficient number, since it is larger than the sum of its proper divisors (3511419).

3226148581 is an equidigital number, since it uses as much as digits as its factorization.

3226148581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511418.

The product of its digits is 92160, while the sum is 40.

The square root of 3226148581 is about 56799.1952495808. The cubic root of 3226148581 is about 1477.6155573778.

The spelling of 3226148581 in words is "three billion, two hundred twenty-six million, one hundred forty-eight thousand, five hundred eighty-one".