2270664 has 96 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 662400.

The previous prime is 2270663. The next prime is 2270669. The reversal of 2270664 is 4660722.

It is not an unprimeable number, because it can be changed into a prime (2270663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37194 + ... + 37254.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2^2270664 is an apocalyptic number.

2270664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2270664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481920).

2270664 is an abundant number, since it is smaller than the sum of its proper divisors (4693176).

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

2270664 is a wasteful number, since it uses less digits than its factorization.

2270664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2270664 is about 1506.8722573596. The cubic root of 2270664 is about 131.4369960393.

The spelling of 2270664 in words is "two million, two hundred seventy thousand, six hundred sixty-four".