9223220564 has 18 divisors (see below), whose sum is σ = 16678104282. Its totient is φ = 4462846800.

The previous prime is 9223220549. The next prime is 9223220599. The reversal of 9223220564 is 4650223229.

It can be written as a sum of positive squares in only one way, i.e., 9045531664 + 177688900 = 95108^2 + 13330^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1195847 + ... + 1203534.

It is an arithmetic number, because the mean of its divisors is an integer number (926561349).

Almost surely, 2^9223220564 is an apocalyptic number.

It is an amenable number.

9223220564 is a deficient number, since it is larger than the sum of its proper divisors (7454883718).

9223220564 is a wasteful number, since it uses less digits than its factorization.

9223220564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399447 (or 2399414 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 9223220564 is about 96037.5997409348. The cubic root of 9223220564 is about 2097.1405196239.

The spelling of 9223220564 in words is "nine billion, two hundred twenty-three million, two hundred twenty thousand, five hundred sixty-four".