2224340 has 12 divisors (see below), whose sum is σ = 4671156. Its totient is φ = 889728.

The previous prime is 2224337. The next prime is 2224367. The reversal of 2224340 is 434222.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 929296 = 1138^2 + 964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55589 + ... + 55628.

It is an arithmetic number, because the mean of its divisors is an integer number (389263).

2^2224340 is an apocalyptic number.

2224340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224340 is an abundant number, since it is smaller than the sum of its proper divisors (2446816).

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

2224340 is a wasteful number, since it uses less digits than its factorization.

2224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111226 (or 111224 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2224340 is about 1491.4221401065. The cubic root of 2224340 is about 130.5370289758.

Adding to 2224340 its reverse (434222), we get a palindrome (2658562).

The spelling of 2224340 in words is "two million, two hundred twenty-four thousand, three hundred forty".