2764224 has 42 divisors (see below), whose sum is σ = 7924800. Its totient is φ = 921216.

The previous prime is 2764213. The next prime is 2764247. The reversal of 2764224 is 4224672.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1824 + ... + 2975.

2^2764224 is an apocalyptic number.

2764224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2764224 is an abundant number, since it is smaller than the sum of its proper divisors (5160576).

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

2764224 is a wasteful number, since it uses less digits than its factorization.

2764224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817 (or 4804 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 2764224 is about 1662.5955611633. The cubic root of 2764224 is about 140.3431040315.

Adding to 2764224 its reverse (4224672), we get a palindrome (6988896).

The spelling of 2764224 in words is "two million, seven hundred sixty-four thousand, two hundred twenty-four".