2250240 has 80 divisors (see below), whose sum is σ = 7218288. Its totient is φ = 598016.

The previous prime is 2250223. The next prime is 2250247. The reversal of 2250240 is 420522.

2250240 = T₄₉₁ + T₄₉₂ + ... + T₅₀₈.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250247) 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, 7534 + ... + 7826.

2^2250240 is an apocalyptic number.

2250240 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 2250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609144).

2250240 is an abundant number, since it is smaller than the sum of its proper divisors (4968048).

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

2250240 is an equidigital number, since it uses as much as digits as its factorization.

2250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2250240 is about 1500.0799978668. The cubic root of 2250240 is about 131.0417286406.

Adding to 2250240 its reverse (420522), we get a palindrome (2670762).

The spelling of 2250240 in words is "two million, two hundred fifty thousand, two hundred forty".