7122552217 has 4 divisors (see below), whose sum is σ = 7770056976. Its totient is φ = 6475047460.

The previous prime is 7122552197. The next prime is 7122552247.

7122552217 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7122552217 - 2²⁷ = 6988334489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7122552247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323752363 + ... + 323752384.

It is an arithmetic number, because the mean of its divisors is an integer number (1942514244).

Almost surely, 2^7122552217 is an apocalyptic number.

It is an amenable number.

7122552217 is a deficient number, since it is larger than the sum of its proper divisors (647504759).

7122552217 is a wasteful number, since it uses less digits than its factorization.

7122552217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647504758.

The product of its digits is 19600, while the sum is 34.

The square root of 7122552217 is about 84395.2144200132. The cubic root of 7122552217 is about 1924.0301826062.

The spelling of 7122552217 in words is "seven billion, one hundred twenty-two million, five hundred fifty-two thousand, two hundred seventeen".