2221618053 has 16 divisors (see below), whose sum is σ = 3004594560. Its totient is φ = 1459999296.

The previous prime is 2221618039. The next prime is 2221618097. The reversal of 2221618053 is 3508161222.

It is not a de Polignac number, because 2221618053 - 2⁶ = 2221617989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221618053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221618853) 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, 47176 + ... + 81662.

It is an arithmetic number, because the mean of its divisors is an integer number (187787160).

Almost surely, 2^2221618053 is an apocalyptic number.

It is an amenable number.

2221618053 is a deficient number, since it is larger than the sum of its proper divisors (782976507).

2221618053 is a wasteful number, since it uses less digits than its factorization.

2221618053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34796.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2221618053 is about 47134.0434611757. The cubic root of 2221618053 is about 1304.8376075436.

Adding to 2221618053 its reverse (3508161222), we get a palindrome (5729779275).

The spelling of 2221618053 in words is "two billion, two hundred twenty-one million, six hundred eighteen thousand, fifty-three".