9244021 has 2 divisors, whose sum is σ = 9244022. Its totient is φ = 9244020.

The previous prime is 9244009. The next prime is 9244031. The reversal of 9244021 is 1204429.

9244021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 1347921 = 2810^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 9244021 - 2⁵ = 9243989 is a prime.

9244021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9243983 and 9244001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9244031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4622010 + 4622011.

It is an arithmetic number, because the mean of its divisors is an integer number (4622011).

Almost surely, 2^9244021 is an apocalyptic number.

It is an amenable number.

9244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9244021 is an equidigital number, since it uses as much as digits as its factorization.

9244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 9244021 is about 3040.3981647146. The cubic root of 9244021 is about 209.8715843768.

The spelling of 9244021 in words is "nine million, two hundred forty-four thousand, twenty-one".