7225122 has 16 divisors (see below), whose sum is σ = 14758272. Its totient is φ = 2357040.

The previous prime is 7225091. The next prime is 7225123. The reversal of 7225122 is 2215227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 13092.

It is an arithmetic number, because the mean of its divisors is an integer number (922392).

Almost surely, 2^7225122 is an apocalyptic number.

7225122 is an abundant number, since it is smaller than the sum of its proper divisors (7533150).

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

7225122 is a wasteful number, since it uses less digits than its factorization.

7225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25673.

The product of its digits is 560, while the sum is 21.

The square root of 7225122 is about 2687.9587050399. The cubic root of 7225122 is about 193.3221997816.

The spelling of 7225122 in words is "seven million, two hundred twenty-five thousand, one hundred twenty-two".