3220353545 has 8 divisors (see below), whose sum is σ = 3865040520. Its totient is φ = 2575872000.

The previous prime is 3220353527. The next prime is 3220353559. The reversal of 3220353545 is 5453530223.

It can be written as a sum of positive squares in 4 ways, for example, as 118309129 + 3102044416 = 10877^2 + 55696^2 .

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

It is not a de Polignac number, because 3220353545 - 2¹² = 3220349449 is a prime.

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, 14456 + ... + 81545.

It is an arithmetic number, because the mean of its divisors is an integer number (483130065).

Almost surely, 2^3220353545 is an apocalyptic number.

It is an amenable number.

3220353545 is a deficient number, since it is larger than the sum of its proper divisors (644686975).

3220353545 is an equidigital number, since it uses as much as digits as its factorization.

3220353545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102715.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 3220353545 is about 56748.1589569212. The cubic root of 3220353545 is about 1476.7302946243.

Adding to 3220353545 its reverse (5453530223), we get a palindrome (8673883768).

The spelling of 3220353545 in words is "three billion, two hundred twenty million, three hundred fifty-three thousand, five hundred forty-five".