9012270 has 64 divisors (see below), whose sum is σ = 23143680. Its totient is φ = 2239488.

The previous prime is 9012259. The next prime is 9012277. The reversal of 9012270 is 722109.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55209 + ... + 55371.

It is an arithmetic number, because the mean of its divisors is an integer number (361620).

Almost surely, 2^9012270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9012270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11571840).

9012270 is an abundant number, since it is smaller than the sum of its proper divisors (14131410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9012270 is a wasteful number, since it uses less digits than its factorization.

9012270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 9012270 is about 3002.0443034706. The cubic root of 9012270 is about 208.1028676336.

Adding to 9012270 its reverse (722109), we get a palindrome (9734379).

The spelling of 9012270 in words is "nine million, twelve thousand, two hundred seventy".