2248240 has 40 divisors (see below), whose sum is σ = 5289840. Its totient is φ = 888576.

The previous prime is 2248237. The next prime is 2248241. The reversal of 2248240 is 428422.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×2248240⁴ (a number of 27 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2248241) 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, 12471 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (132246).

2^2248240 is an apocalyptic number.

2248240 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 2248240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2644920).

2248240 is an abundant number, since it is smaller than the sum of its proper divisors (3041600).

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

2248240 is a wasteful number, since it uses less digits than its factorization.

2248240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2248240 is about 1499.4132185625. The cubic root of 2248240 is about 131.0028940953.

It can be divided in two parts, 22482 and 40, that added together give a palindrome (22522).

The spelling of 2248240 in words is "two million, two hundred forty-eight thousand, two hundred forty".