7225224365 has 4 divisors (see below), whose sum is σ = 8670269244. Its totient is φ = 5780179488.

The previous prime is 7225224359. The next prime is 7225224371. The reversal of 7225224365 is 5634225227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7225224359) and next prime (7225224371).

It can be written as a sum of positive squares in 2 ways, for example, as 2781402121 + 4443822244 = 52739^2 + 66662^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225224365 - 2¹⁸ = 7224962221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722522432 + ... + 722522441.

It is an arithmetic number, because the mean of its divisors is an integer number (2167567311).

Almost surely, 2^7225224365 is an apocalyptic number.

It is an amenable number.

7225224365 is a deficient number, since it is larger than the sum of its proper divisors (1445044879).

7225224365 is a wasteful number, since it uses less digits than its factorization.

7225224365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445044878.

The product of its digits is 201600, while the sum is 38.

The square root of 7225224365 is about 85001.3197838716. The cubic root of 7225224365 is about 1933.2311276892.

The spelling of 7225224365 in words is "seven billion, two hundred twenty-five million, two hundred twenty-four thousand, three hundred sixty-five".