7722425 has 12 divisors (see below), whose sum is σ = 9672000. Its totient is φ = 6115920.

The previous prime is 7722419. The next prime is 7722431. The reversal of 7722425 is 5242277.

It is an interprime number because it is at equal distance from previous prime (7722419) and next prime (7722431).

It is not a de Polignac number, because 7722425 - 2⁴ = 7722409 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 7⁸ + 2 + 2⁵ + 4² + 2¹¹ + 5⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (806000).

Almost surely, 2^7722425 is an apocalyptic number.

It is an amenable number.

7722425 is a deficient number, since it is larger than the sum of its proper divisors (1949575).

7722425 is a wasteful number, since it uses less digits than its factorization.

7722425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112 (or 3107 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 7722425 is about 2778.9251519248. The cubic root of 7722425 is about 197.6595943364.

The spelling of 7722425 in words is "seven million, seven hundred twenty-two thousand, four hundred twenty-five".