2223005521 has 8 divisors (see below), whose sum is σ = 2425521600. Its totient is φ = 2020560240.

The previous prime is 2223005513. The next prime is 2223005531. The reversal of 2223005521 is 1255003222.

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 2223005521 - 2³ = 2223005513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223005492 and 2223005501.

It is not an unprimeable number, because it can be changed into a prime (2223005531) 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, 64635 + ... + 92863.

It is an arithmetic number, because the mean of its divisors is an integer number (303190200).

Almost surely, 2^2223005521 is an apocalyptic number.

It is an amenable number.

2223005521 is a deficient number, since it is larger than the sum of its proper divisors (202516079).

2223005521 is a wasteful number, since it uses less digits than its factorization.

2223005521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35399.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2223005521 is about 47148.7594852717. The cubic root of 2223005521 is about 1305.1091879301.

Adding to 2223005521 its reverse (1255003222), we get a palindrome (3478008743).

The spelling of 2223005521 in words is "two billion, two hundred twenty-three million, five thousand, five hundred twenty-one".