7224531 has 8 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 4794312.

The previous prime is 7224521. The next prime is 7224551. The reversal of 7224531 is 1354227.

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

It is not a de Polignac number, because 7224531 - 2⁵ = 7224499 is a prime.

It is a super-2 number, since 2×7224531² = 104387696339922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7224521) 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, 4731 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^7224531 is an apocalyptic number.

7224531 is a deficient number, since it is larger than the sum of its proper divisors (2452269).

7224531 is a wasteful number, since it uses less digits than its factorization.

7224531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its digits is 1680, while the sum is 24.

The square root of 7224531 is about 2687.8487680671. The cubic root of 7224531 is about 193.3169285195.

Adding to 7224531 its reverse (1354227), we get a palindrome (8578758).

It can be divided in two parts, 722 and 4531, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 7224531 in words is "seven million, two hundred twenty-four thousand, five hundred thirty-one".