7255122 has 16 divisors (see below), whose sum is σ = 16583232. Its totient is φ = 2072880.

The previous prime is 7255121. The next prime is 7255151. The reversal of 7255122 is 2215527.

It is a junction number, because it is equal to n+sod(n) for n = 7255092 and 7255101.

It is not an unprimeable number, because it can be changed into a prime (7255121) 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, 86329 + ... + 86412.

It is an arithmetic number, because the mean of its divisors is an integer number (1036452).

Almost surely, 2^7255122 is an apocalyptic number.

7255122 is an abundant number, since it is smaller than the sum of its proper divisors (9328110).

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

7255122 is a wasteful number, since it uses less digits than its factorization.

7255122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172753.

The product of its digits is 1400, while the sum is 24.

The square root of 7255122 is about 2693.5333671592. The cubic root of 7255122 is about 193.5893997623.

The spelling of 7255122 in words is "seven million, two hundred fifty-five thousand, one hundred twenty-two".