2220315533 has 4 divisors (see below), whose sum is σ = 2220454620. Its totient is φ = 2220176448.

The previous prime is 2220315491. The next prime is 2220315551. The reversal of 2220315533 is 3355130222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3355130222 = 2 ⋅1677565111.

It can be written as a sum of positive squares in 2 ways, for example, as 1845389764 + 374925769 = 42958^2 + 19363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220315533 - 2¹² = 2220311437 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 (2220315563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41948 + ... + 78741.

It is an arithmetic number, because the mean of its divisors is an integer number (555113655).

Almost surely, 2^2220315533 is an apocalyptic number.

It is an amenable number.

2220315533 is a deficient number, since it is larger than the sum of its proper divisors (139087).

2220315533 is a wasteful number, since it uses less digits than its factorization.

2220315533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139086.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2220315533 is about 47120.2242460708. The cubic root of 2220315533 is about 1304.5825517991.

Adding to 2220315533 its reverse (3355130222), we get a palindrome (5575445755).

The spelling of 2220315533 in words is "two billion, two hundred twenty million, three hundred fifteen thousand, five hundred thirty-three".