7225928544 has 48 divisors (see below), whose sum is σ = 18974850048. Its totient is φ = 2407780992.

The previous prime is 7225928543. The next prime is 7225928581. The reversal of 7225928544 is 4458295227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 7225928493 and 7225928502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225928543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292149 + ... + 315915.

It is an arithmetic number, because the mean of its divisors is an integer number (395309376).

Almost surely, 2^7225928544 is an apocalyptic number.

It is an amenable number.

7225928544 is an abundant number, since it is smaller than the sum of its proper divisors (11748921504).

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

7225928544 is a wasteful number, since it uses less digits than its factorization.

7225928544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947 (or 26939 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 7225928544 is about 85005.4618480483. The cubic root of 7225928544 is about 1933.2939306542.

The spelling of 7225928544 in words is "seven billion, two hundred twenty-five million, nine hundred twenty-eight thousand, five hundred forty-four".