7225331 has 4 divisors (see below), whose sum is σ = 7361712. Its totient is φ = 7088952.

The previous prime is 7225327. The next prime is 7225349. The reversal of 7225331 is 1335227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1335227 = 547 ⋅2441.

It is a cyclic number.

It is not a de Polignac number, because 7225331 - 2² = 7225327 is a prime.

It is a super-2 number, since 2×7225331² = 104410816119122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7225297 and 7225306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68111 + ... + 68216.

It is an arithmetic number, because the mean of its divisors is an integer number (1840428).

Almost surely, 2^7225331 is an apocalyptic number.

7225331 is a deficient number, since it is larger than the sum of its proper divisors (136381).

7225331 is a wasteful number, since it uses less digits than its factorization.

7225331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136380.

The product of its digits is 1260, while the sum is 23.

The square root of 7225331 is about 2687.9975818442. The cubic root of 7225331 is about 193.3240638309.

The spelling of 7225331 in words is "seven million, two hundred twenty-five thousand, three hundred thirty-one".