3513222021 has 16 divisors (see below), whose sum is σ = 4723841408. Its totient is φ = 2322432000.

The previous prime is 3513222019. The next prime is 3513222047. The reversal of 3513222021 is 1202223153.

It is not a de Polignac number, because 3513222021 - 2¹ = 3513222019 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 (3513222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254661 + ... + 268101.

It is an arithmetic number, because the mean of its divisors is an integer number (295240088).

Almost surely, 2^3513222021 is an apocalyptic number.

It is an amenable number.

3513222021 is a deficient number, since it is larger than the sum of its proper divisors (1210619387).

3513222021 is a wasteful number, since it uses less digits than its factorization.

3513222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3513222021 is about 59272.4389661839. The cubic root of 3513222021 is about 1520.2039807333.

Adding to 3513222021 its reverse (1202223153), we get a palindrome (4715445174).

The spelling of 3513222021 in words is "three billion, five hundred thirteen million, two hundred twenty-two thousand, twenty-one".