9225649 has 2 divisors, whose sum is σ = 9225650. Its totient is φ = 9225648.

The previous prime is 9225613. The next prime is 9225703. The reversal of 9225649 is 9465229.

9225649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9090225 + 135424 = 3015^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 9225649 - 2¹¹ = 9223601 is a prime.

It is a super-2 number, since 2×9225649² = 170225198942402, which contains 22 as substring.

9225649 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9225449) 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 as a sum of consecutive naturals, namely, 4612824 + 4612825.

It is an arithmetic number, because the mean of its divisors is an integer number (4612825).

Almost surely, 2^9225649 is an apocalyptic number.

It is an amenable number.

9225649 is a deficient number, since it is larger than the sum of its proper divisors (1).

9225649 is an equidigital number, since it uses as much as digits as its factorization.

9225649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 9225649 is about 3037.3753472365. The cubic root of 9225649 is about 209.7324559627.

It can be divided in two parts, 922 and 5649, that multiplied together give a triangular number (5208378 = T₃₂₂₇).

The spelling of 9225649 in words is "nine million, two hundred twenty-five thousand, six hundred forty-nine".