9020231 has 8 divisors (see below), whose sum is σ = 10358400. Its totient is φ = 7768440.

The previous prime is 9020227. The next prime is 9020233. The reversal of 9020231 is 1320209.

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 9020231 - 2² = 9020227 is a prime.

It is a super-2 number, since 2×9020231² = 162729134586722, 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 (9020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21371 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (1294800).

Almost surely, 2^9020231 is an apocalyptic number.

9020231 is a deficient number, since it is larger than the sum of its proper divisors (1338169).

9020231 is a wasteful number, since it uses less digits than its factorization.

9020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43189.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 9020231 is about 3003.3699405834. The cubic root of 9020231 is about 208.1641255760.

The spelling of 9020231 in words is "nine million, twenty thousand, two hundred thirty-one".