7888422 has 16 divisors (see below), whose sum is σ = 15840000. Its totient is φ = 2618952.

The previous prime is 7888421. The next prime is 7888423. The reversal of 7888422 is 2248887.

It is an interprime number because it is at equal distance from previous prime (7888421) and next prime (7888423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7888421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922 + ... + 4077.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^7888422 is an apocalyptic number.

7888422 is an abundant number, since it is smaller than the sum of its proper divisors (7951578).

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

7888422 is a wasteful number, since it uses less digits than its factorization.

7888422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267.

The product of its digits is 57344, while the sum is 39.

The square root of 7888422 is about 2808.6334755535. The cubic root of 7888422 is about 199.0658267284.

The spelling of 7888422 in words is "seven million, eight hundred eighty-eight thousand, four hundred twenty-two".