7125822 has 96 divisors (see below), whose sum is σ = 18701280. Its totient is φ = 1935360.

The previous prime is 7125821. The next prime is 7125827. The reversal of 7125822 is 2285217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97578 + ... + 97650.

It is an arithmetic number, because the mean of its divisors is an integer number (194805).

Almost surely, 2^7125822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9350640).

7125822 is an abundant number, since it is smaller than the sum of its proper divisors (11575458).

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

7125822 is a wasteful number, since it uses less digits than its factorization.

7125822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7125822 is about 2669.4235332746. The cubic root of 7125822 is about 192.4324562043.

The spelling of 7125822 in words is "seven million, one hundred twenty-five thousand, eight hundred twenty-two".