2223521634 has 16 divisors (see below), whose sum is σ = 4449943872. Its totient is φ = 740690448.

The previous prime is 2223521617. The next prime is 2223521687. The reversal of 2223521634 is 4361253222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110829 + ... + 129344.

It is an arithmetic number, because the mean of its divisors is an integer number (278121492).

Almost surely, 2^2223521634 is an apocalyptic number.

2223521634 is an abundant number, since it is smaller than the sum of its proper divisors (2226422238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223521634 is a wasteful number, since it uses less digits than its factorization.

2223521634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241721.

The product of its digits is 17280, while the sum is 30.

The square root of 2223521634 is about 47154.2324081307. The cubic root of 2223521634 is about 1305.2101820857.

Adding to 2223521634 its reverse (4361253222), we get a palindrome (6584774856).

The spelling of 2223521634 in words is "two billion, two hundred twenty-three million, five hundred twenty-one thousand, six hundred thirty-four".