9122217564 has 12 divisors (see below), whose sum is σ = 21285174344. Its totient is φ = 3040739184.

The previous prime is 9122217553. The next prime is 9122217571. The reversal of 9122217564 is 4657122219.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380092387 + ... + 380092410.

Almost surely, 2^9122217564 is an apocalyptic number.

It is an amenable number.

9122217564 is an abundant number, since it is smaller than the sum of its proper divisors (12162956780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9122217564 is a wasteful number, since it uses less digits than its factorization.

9122217564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760184804 (or 760184802 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 9122217564 is about 95510.3008266648. The cubic root of 9122217564 is about 2089.4571794509.

The spelling of 9122217564 in words is "nine billion, one hundred twenty-two million, two hundred seventeen thousand, five hundred sixty-four".