2217265101 has 12 divisors (see below), whose sum is σ = 3203269212. Its totient is φ = 1477921536.

The previous prime is 2217265073. The next prime is 2217265133. The reversal of 2217265101 is 1015627122.

2217265101 is a `hidden beast` number, since 2 + 2 + 1 + 7 + 2 + 651 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1122317001 + 1094948100 = 33501^2 + 33090^2 .

It is not a de Polignac number, because 2217265101 - 2¹¹ = 2217263053 is a prime.

It is a super-2 number, since 2×2217265101² = 9832529056225080402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217265181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44445 + ... + 80061.

It is an arithmetic number, because the mean of its divisors is an integer number (266939101).

Almost surely, 2^2217265101 is an apocalyptic number.

It is an amenable number.

2217265101 is a deficient number, since it is larger than the sum of its proper divisors (986004111).

2217265101 is a wasteful number, since it uses less digits than its factorization.

2217265101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42540 (or 42537 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 2217265101 is about 47087.8445142693. The cubic root of 2217265101 is about 1303.9848343190.

The spelling of 2217265101 in words is "two billion, two hundred seventeen million, two hundred sixty-five thousand, one hundred one".