9720222267 has 24 divisors (see below), whose sum is σ = 15562601472. Its totient is φ = 5375235600.

The previous prime is 9720222263. The next prime is 9720222271. The reversal of 9720222267 is 7622220279.

It is an interprime number because it is at equal distance from previous prime (9720222263) and next prime (9720222271).

It is not a de Polignac number, because 9720222267 - 2² = 9720222263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9720222263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061959 + ... + 1071072.

It is an arithmetic number, because the mean of its divisors is an integer number (648441728).

Almost surely, 2^9720222267 is an apocalyptic number.

9720222267 is a deficient number, since it is larger than the sum of its proper divisors (5842379205).

9720222267 is a wasteful number, since it uses less digits than its factorization.

9720222267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133079 (or 2133072 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 9720222267 is about 98591.1875727238. The cubic root of 9720222267 is about 2134.1522496483.

The spelling of 9720222267 in words is "nine billion, seven hundred twenty million, two hundred twenty-two thousand, two hundred sixty-seven".