2253340 has 24 divisors (see below), whose sum is σ = 4812192. Its totient is φ = 886080.

The previous prime is 2253323. The next prime is 2253341. The reversal of 2253340 is 433522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253341) 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, 297 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

2^2253340 is an apocalyptic number.

2253340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2253340 is an abundant number, since it is smaller than the sum of its proper divisors (2558852).

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

2253340 is a wasteful number, since it uses less digits than its factorization.

2253340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2253340 is about 1501.1129204693. The cubic root of 2253340 is about 131.1018767369.

Adding to 2253340 its reverse (433522), we get a palindrome (2686862).

The spelling of 2253340 in words is "two million, two hundred fifty-three thousand, three hundred forty".