9228720562 has 8 divisors (see below), whose sum is σ = 13846766976. Its totient is φ = 4613131572.

The previous prime is 9228720497. The next prime is 9228720577. The reversal of 9228720562 is 2650278229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9228720562² (a number of 21 digits) contains 22 as substring.

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, 604938 + ... + 620005.

It is an arithmetic number, because the mean of its divisors is an integer number (1730845872).

Almost surely, 2^9228720562 is an apocalyptic number.

9228720562 is a deficient number, since it is larger than the sum of its proper divisors (4618046414).

9228720562 is a wasteful number, since it uses less digits than its factorization.

9228720562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228712.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 9228720562 is about 96066.2300811268. The cubic root of 9228720562 is about 2097.5572929420.

The spelling of 9228720562 in words is "nine billion, two hundred twenty-eight million, seven hundred twenty thousand, five hundred sixty-two".