9225725862544 has 45 divisors (see below), whose sum is σ = 17957399274633. Its totient is φ = 4591655888256.

The previous prime is 9225725862541. The next prime is 9225725862599. The reversal of 9225725862544 is 4452685275229.

The square root of 9225725862544 is 3037388.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1873558688400 + 7352167174144 = 1368780^2 + 2711488^2 .

It is a super-2 number, since 2×9225725862544² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9225725862541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2830843987 + ... + 2830847245.

Almost surely, 2^{9225725862544} is an apocalyptic number.

9225725862544 is the 3037388-th square number.

It is an amenable number.

9225725862544 is a deficient number, since it is larger than the sum of its proper divisors (8731673412089).

9225725862544 is an frugal number, since it uses more digits than its factorization.

9225725862544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 3494 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 61.

The spelling of 9225725862544 in words is "nine trillion, two hundred twenty-five billion, seven hundred twenty-five million, eight hundred sixty-two thousand, five hundred forty-four".