7222906625 has 16 divisors (see below), whose sum is σ = 9833660928. Its totient is φ = 5253022000.

The previous prime is 7222906619. The next prime is 7222906631. The reversal of 7222906625 is 5266092227.

It is an interprime number because it is at equal distance from previous prime (7222906619) and next prime (7222906631).

It is not a de Polignac number, because 7222906625 - 2¹² = 7222902529 is a prime.

It is a super-2 number, since 2×7222906625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625137 + ... + 2627886.

It is an arithmetic number, because the mean of its divisors is an integer number (614603808).

Almost surely, 2^7222906625 is an apocalyptic number.

It is an amenable number.

7222906625 is a deficient number, since it is larger than the sum of its proper divisors (2610754303).

7222906625 is a wasteful number, since it uses less digits than its factorization.

7222906625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253049 (or 5253039 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 7222906625 is about 84987.6851373186. The cubic root of 7222906625 is about 1933.0243887199.

The spelling of 7222906625 in words is "seven billion, two hundred twenty-two million, nine hundred six thousand, six hundred twenty-five".