3222500405 has 4 divisors (see below), whose sum is σ = 3867000492. Its totient is φ = 2578000320.

The previous prime is 3222500401. The next prime is 3222500417. The reversal of 3222500405 is 5040052223.

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 909082801 + 2313417604 = 30151^2 + 48098^2 .

It is not a de Polignac number, because 3222500405 - 2² = 3222500401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222500401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322250036 + ... + 322250045.

It is an arithmetic number, because the mean of its divisors is an integer number (966750123).

Almost surely, 2^3222500405 is an apocalyptic number.

It is an amenable number.

3222500405 is a deficient number, since it is larger than the sum of its proper divisors (644500087).

3222500405 is an equidigital number, since it uses as much as digits as its factorization.

3222500405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644500086.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3222500405 is about 56767.0714851489. The cubic root of 3222500405 is about 1477.0583775415.

Adding to 3222500405 its reverse (5040052223), we get a palindrome (8262552628).

The spelling of 3222500405 in words is "three billion, two hundred twenty-two million, five hundred thousand, four hundred five".