3227405 has 4 divisors (see below), whose sum is σ = 3872892. Its totient is φ = 2581920.

The previous prime is 3227369. The next prime is 3227417. The reversal of 3227405 is 5047223.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 1054729 = 1474^2 + 1027^2 .

It is not a de Polignac number, because 3227405 - 2¹² = 3223309 is a prime.

It is a super-2 number, since 2×3227405² = 20832286068050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322736 + ... + 322745.

It is an arithmetic number, because the mean of its divisors is an integer number (968223).

Almost surely, 2^3227405 is an apocalyptic number.

It is an amenable number.

3227405 is a deficient number, since it is larger than the sum of its proper divisors (645487).

3227405 is an equidigital number, since it uses as much as digits as its factorization.

3227405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645486.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3227405 is about 1796.4979821865. The cubic root of 3227405 is about 147.7807350911.

The spelling of 3227405 in words is "three million, two hundred twenty-seven thousand, four hundred five".