2238280 has 32 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 813760.

The previous prime is 2238277. The next prime is 2238287. The reversal of 2238280 is 828322.

It is not an unprimeable number, because it can be changed into a prime (2238287) 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, 2104 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^2238280 is an apocalyptic number.

2238280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238280 is an abundant number, since it is smaller than the sum of its proper divisors (3256760).

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

2238280 is a wasteful number, since it uses less digits than its factorization.

2238280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109 (or 5105 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2238280 is about 1496.0882326922. The cubic root of 2238280 is about 130.8091543438.

It can be divided in two parts, 2238 and 280, that multiplied together give a triangular number (626640 = T₁₁₁₉).

The spelling of 2238280 in words is "two million, two hundred thirty-eight thousand, two hundred eighty".