7122666425 has 24 divisors (see below), whose sum is σ = 10098567936. Its totient is φ = 4881824640.

The previous prime is 7122666413. The next prime is 7122666433. The reversal of 7122666425 is 5246662217.

It is not a de Polignac number, because 7122666425 - 2³⁰ = 6048924601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419909 + ... + 436541.

It is an arithmetic number, because the mean of its divisors is an integer number (420773664).

Almost surely, 2^7122666425 is an apocalyptic number.

It is an amenable number.

7122666425 is a deficient number, since it is larger than the sum of its proper divisors (2975901511).

7122666425 is a wasteful number, since it uses less digits than its factorization.

7122666425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097 (or 19092 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 7122666425 is about 84395.8910433440. The cubic root of 7122666425 is about 1924.0404663012.

The spelling of 7122666425 in words is "seven billion, one hundred twenty-two million, six hundred sixty-six thousand, four hundred twenty-five".