2216235573 has 12 divisors (see below), whose sum is σ = 3319793568. Its totient is φ = 1477490220.

The previous prime is 2216235569. The next prime is 2216235589. The reversal of 2216235573 is 3755326122.

2216235573 is a `hidden beast` number, since 2 + 21 + 62 + 3 + 5 + 573 = 666.

It is not a de Polignac number, because 2216235573 - 2² = 2216235569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216235673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4559913 + ... + 4560398.

It is an arithmetic number, because the mean of its divisors is an integer number (276649464).

Almost surely, 2^2216235573 is an apocalyptic number.

It is an amenable number.

2216235573 is a deficient number, since it is larger than the sum of its proper divisors (1103557995).

2216235573 is an frugal number, since it uses more digits than its factorization.

2216235573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120326 (or 9120314 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 2216235573 is about 47076.9112516953. The cubic root of 2216235573 is about 1303.7829795304.

The spelling of 2216235573 in words is "two billion, two hundred sixteen million, two hundred thirty-five thousand, five hundred seventy-three".