9218045 has 8 divisors (see below), whose sum is σ = 11143224. Its totient is φ = 7320064.

The previous prime is 9218023. The next prime is 9218047. The reversal of 9218045 is 5408129.

It can be written as a sum of positive squares in 4 ways, for example, as 4280761 + 4937284 = 2069^2 + 2222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9218045 - 2⁶ = 9217981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9217999 and 9218017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (1392903).

Almost surely, 2^9218045 is an apocalyptic number.

It is an amenable number.

9218045 is a deficient number, since it is larger than the sum of its proper divisors (1925179).

9218045 is a wasteful number, since it uses less digits than its factorization.

9218045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 9218045 is about 3036.1233505904. The cubic root of 9218045 is about 209.6748179597.

The spelling of 9218045 in words is "nine million, two hundred eighteen thousand, forty-five".