7225231 has 8 divisors (see below), whose sum is σ = 7801920. Its totient is φ = 6651552.

The previous prime is 7225217. The next prime is 7225241. The reversal of 7225231 is 1325227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7225231 - 2¹⁷ = 7094159 is a prime.

It is a super-2 number, since 2×7225231² = 104407926006722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225241) 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, 8961 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^7225231 is an apocalyptic number.

7225231 is a deficient number, since it is larger than the sum of its proper divisors (576689).

7225231 is a wasteful number, since it uses less digits than its factorization.

7225231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505.

The product of its digits is 840, while the sum is 22.

The square root of 7225231 is about 2687.9789805726. The cubic root of 7225231 is about 193.3231719458.

The spelling of 7225231 in words is "seven million, two hundred twenty-five thousand, two hundred thirty-one".