9222561 has 6 divisors (see below), whose sum is σ = 13321490. Its totient is φ = 6148368.

The previous prime is 9222553. The next prime is 9222569. The reversal of 9222561 is 1652229.

It is an interprime number because it is at equal distance from previous prime (9222553) and next prime (9222569).

It can be written as a sum of positive squares in only one way, i.e., 8088336 + 1134225 = 2844^2 + 1065^2 .

It is not a de Polignac number, because 9222561 - 2³ = 9222553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9222569) 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 5 ways as a sum of consecutive naturals, for example, 512356 + ... + 512373.

Almost surely, 2^9222561 is an apocalyptic number.

It is an amenable number.

9222561 is a deficient number, since it is larger than the sum of its proper divisors (4098929).

9222561 is a wasteful number, since it uses less digits than its factorization.

9222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024735 (or 1024732 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 9222561 is about 3036.8669710740. The cubic root of 9222561 is about 209.7090528721.

The spelling of 9222561 in words is "nine million, two hundred twenty-two thousand, five hundred sixty-one".