2223140 has 24 divisors (see below), whose sum is σ = 4830840. Its totient is φ = 858368.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223140 is 413222.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 2149156 = 272^2 + 1466^2 .

It is not an unprimeable number, because it can be changed into a prime (2223149) 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, 1337 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (201285).

2^2223140 is an apocalyptic number.

2223140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223140 is an abundant number, since it is smaller than the sum of its proper divisors (2607700).

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

2223140 is a wasteful number, since it uses less digits than its factorization.

2223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2223140 is about 1491.0197852477. The cubic root of 2223140 is about 130.5135504590.

Adding to 2223140 its reverse (413222), we get a palindrome (2636362).

The spelling of 2223140 in words is "two million, two hundred twenty-three thousand, one hundred forty".