2224660 has 24 divisors (see below), whose sum is σ = 4787496. Its totient is φ = 867840.

The previous prime is 2224657. The next prime is 2224661. The reversal of 2224660 is 664222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 1926544 = 546^2 + 1388^2 .

It is a super-2 number, since 2×2224660² = 9898224231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224661) 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, 537 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (199479).

2^2224660 is an apocalyptic number.

2224660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224660 is an abundant number, since it is smaller than the sum of its proper divisors (2562836).

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

2224660 is a wasteful number, since it uses less digits than its factorization.

2224660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2224660 is about 1491.5294164045. The cubic root of 2224660 is about 130.5432884874.

Adding to 2224660 its reverse (664222), we get a palindrome (2888882).

The spelling of 2224660 in words is "two million, two hundred twenty-four thousand, six hundred sixty".