2221500105 has 72 divisors (see below), whose sum is σ = 4260145344. Its totient is φ = 1070055360.

The previous prime is 2221499993. The next prime is 2221500107. The reversal of 2221500105 is 5010051222.

It is not a de Polignac number, because 2221500105 - 2⁷ = 2221499977 is a prime.

It is a super-2 number, since 2×2221500105² = 9870125433030022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221500107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 886284 + ... + 888786.

Almost surely, 2^2221500105 is an apocalyptic number.

It is an amenable number.

2221500105 is a deficient number, since it is larger than the sum of its proper divisors (2038645239).

2221500105 is a wasteful number, since it uses less digits than its factorization.

2221500105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2221500105 is about 47132.7922470121. The cubic root of 2221500105 is about 1304.8145154089.

Adding to 2221500105 its reverse (5010051222), we get a palindrome (7231551327).

The spelling of 2221500105 in words is "two billion, two hundred twenty-one million, five hundred thousand, one hundred five".