3220043213405 has 8 divisors (see below), whose sum is σ = 3864072384600. Its totient is φ = 2576020885056.

The previous prime is 3220043213383. The next prime is 3220043213411. The reversal of 3220043213405 is 5043123400223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 763341205636 + 2456702007769 = 873694^2 + 1567387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220043213405 - 2⁶ = 3220043213341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611210 + ... + 2610299.

It is an arithmetic number, because the mean of its divisors is an integer number (483009048075).

Almost surely, 2^{3220043213405} is an apocalyptic number.

It is an amenable number.

3220043213405 is a deficient number, since it is larger than the sum of its proper divisors (644029171195).

3220043213405 is a wasteful number, since it uses less digits than its factorization.

3220043213405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421423.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 3220043213405 its reverse (5043123400223), we get a palindrome (8263166613628).

The spelling of 3220043213405 in words is "three trillion, two hundred twenty billion, forty-three million, two hundred thirteen thousand, four hundred five".