3520645226 has 16 divisors (see below), whose sum is σ = 6390415296. Its totient is φ = 1420092096.

The previous prime is 3520645217. The next prime is 3520645229. The reversal of 3520645226 is 6225460253.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3520645229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396076 + ... + 7396551.

It is an arithmetic number, because the mean of its divisors is an integer number (399400956).

Almost surely, 2^3520645226 is an apocalyptic number.

3520645226 is a deficient number, since it is larger than the sum of its proper divisors (2869770070).

3520645226 is a wasteful number, since it uses less digits than its factorization.

3520645226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792653.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 3520645226 is about 59335.0252886101. The cubic root of 3520645226 is about 1521.2739242247.

The spelling of 3520645226 in words is "three billion, five hundred twenty million, six hundred forty-five thousand, two hundred twenty-six".