2234540 has 48 divisors (see below), whose sum is σ = 5854464. Its totient is φ = 696000.

The previous prime is 2234539. The next prime is 2234543. The reversal of 2234540 is 454322.

2234540 = 525² + 526² + ... + 532².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2234543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2234540 is an apocalyptic number.

2234540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2234540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927232).

2234540 is an abundant number, since it is smaller than the sum of its proper divisors (3619924).

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

2234540 is a wasteful number, since it uses less digits than its factorization.

2234540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2234540 is about 1494.8377838414. The cubic root of 2234540 is about 130.7362562587.

Adding to 2234540 its reverse (454322), we get a palindrome (2688862).

The spelling of 2234540 in words is "two million, two hundred thirty-four thousand, five hundred forty".