8954221 has 2 divisors, whose sum is σ = 8954222. Its totient is φ = 8954220.

The previous prime is 8954213. The next prime is 8954227. The reversal of 8954221 is 1224598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 38025 = 2986^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 8954221 - 2³ = 8954213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8954227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4477110 + 4477111.

It is an arithmetic number, because the mean of its divisors is an integer number (4477111).

Almost surely, 2^8954221 is an apocalyptic number.

It is an amenable number.

8954221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8954221 is an equidigital number, since it uses as much as digits as its factorization.

8954221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 8954221 is about 2992.3604395193. The cubic root of 8954221 is about 207.6551005665.

The spelling of 8954221 in words is "eight million, nine hundred fifty-four thousand, two hundred twenty-one".