9220531 has 4 divisors (see below), whose sum is σ = 9445464. Its totient is φ = 8995600.

The previous prime is 9220501. The next prime is 9220537. The reversal of 9220531 is 1350229.

9220531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9220531 - 2⁷ = 9220403 is a prime.

It is a super-2 number, since 2×9220531² = 170036383843922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9220537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112405 + ... + 112486.

It is an arithmetic number, because the mean of its divisors is an integer number (2361366).

Almost surely, 2^9220531 is an apocalyptic number.

9220531 is a deficient number, since it is larger than the sum of its proper divisors (224933).

9220531 is a wasteful number, since it uses less digits than its factorization.

9220531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224932.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 9220531 is about 3036.5327266473. The cubic root of 9220531 is about 209.6936652224.

The spelling of 9220531 in words is "nine million, two hundred twenty thousand, five hundred thirty-one".