7226245720 has 16 divisors (see below), whose sum is σ = 16259052960. Its totient is φ = 2890498272.

The previous prime is 7226245717. The next prime is 7226245721. The reversal of 7226245720 is 275426227.

It is a self number, because there is not a number n which added to its sum of digits gives 7226245720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226245721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90328032 + ... + 90328111.

It is an arithmetic number, because the mean of its divisors is an integer number (1016190810).

Almost surely, 2^7226245720 is an apocalyptic number.

It is an amenable number.

7226245720 is an abundant number, since it is smaller than the sum of its proper divisors (9032807240).

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

7226245720 is a wasteful number, since it uses less digits than its factorization.

7226245720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180656154 (or 180656150 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 7226245720 is about 85007.3274488735. The cubic root of 7226245720 is about 1933.3222170057.

The spelling of 7226245720 in words is "seven billion, two hundred twenty-six million, two hundred forty-five thousand, seven hundred twenty".