2217207051 has 6 divisors (see below), whose sum is σ = 3202632420. Its totient is φ = 1478138028.

The previous prime is 2217207049. The next prime is 2217207067. The reversal of 2217207051 is 1507027122.

It is not a de Polignac number, because 2217207051 - 2¹ = 2217207049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2217207001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123178161 + ... + 123178178.

It is an arithmetic number, because the mean of its divisors is an integer number (533772070).

Almost surely, 2^2217207051 is an apocalyptic number.

2217207051 is a deficient number, since it is larger than the sum of its proper divisors (985425369).

2217207051 is a wasteful number, since it uses less digits than its factorization.

2217207051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246356345 (or 246356342 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 2217207051 is about 47087.2281091168. The cubic root of 2217207051 is about 1303.9734543867.

The spelling of 2217207051 in words is "two billion, two hundred seventeen million, two hundred seven thousand, fifty-one".