917222714 has 4 divisors (see below), whose sum is σ = 1375834074. Its totient is φ = 458611356.

The previous prime is 917222707. The next prime is 917222771. The reversal of 917222714 is 417222719.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417222719 = 509 ⋅819691.

It can be written as a sum of positive squares in only one way, i.e., 520615489 + 396607225 = 22817^2 + 19915^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229305677 + ... + 229305680.

Almost surely, 2^917222714 is an apocalyptic number.

917222714 is a deficient number, since it is larger than the sum of its proper divisors (458611360).

917222714 is a wasteful number, since it uses less digits than its factorization.

917222714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458611359.

The product of its digits is 14112, while the sum is 35.

The square root of 917222714 is about 30285.6849683147. The cubic root of 917222714 is about 971.6091595619.

The spelling of 917222714 in words is "nine hundred seventeen million, two hundred twenty-two thousand, seven hundred fourteen".