9220641 has 4 divisors (see below), whose sum is σ = 12294192. Its totient is φ = 6147092.

The previous prime is 9220639. The next prime is 9220649. The reversal of 9220641 is 1460229.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9220641 - 2¹ = 9220639 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9220649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536771 + ... + 1536776.

It is an arithmetic number, because the mean of its divisors is an integer number (3073548).

Almost surely, 2^9220641 is an apocalyptic number.

It is an amenable number.

9220641 is a deficient number, since it is larger than the sum of its proper divisors (3073551).

9220641 is a wasteful number, since it uses less digits than its factorization.

9220641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073550.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 9220641 is about 3036.5508393570. The cubic root of 9220641 is about 209.6944990938.

The spelling of 9220641 in words is "nine million, two hundred twenty thousand, six hundred forty-one".