9021223 has 2 divisors, whose sum is σ = 9021224. Its totient is φ = 9021222.

The previous prime is 9021211. The next prime is 9021241. The reversal of 9021223 is 3221209.

It is a happy number.

9021223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9021223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9021223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9021253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4510611 + 4510612.

It is an arithmetic number, because the mean of its divisors is an integer number (4510612).

Almost surely, 2^9021223 is an apocalyptic number.

9021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9021223 is an equidigital number, since it uses as much as digits as its factorization.

9021223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 9021223 is about 3003.5350838637. The cubic root of 9021223 is about 208.1717562469.

The spelling of 9021223 in words is "nine million, twenty-one thousand, two hundred twenty-three".