2238500 has 72 divisors (see below), whose sum is σ = 5518968. Its totient is φ = 792000.

The previous prime is 2238491. The next prime is 2238527. The reversal of 2238500 is 58322.

It can be written as a sum of positive squares in 4 ways, for example, as 484 + 2238016 = 22^2 + 1496^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60482 + ... + 60518.

2^2238500 is an apocalyptic number.

2238500 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 2238500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759484).

2238500 is an abundant number, since it is smaller than the sum of its proper divisors (3280468).

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

2238500 is a wasteful number, since it uses less digits than its factorization.

2238500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2238500 is about 1496.1617559609. The cubic root of 2238500 is about 130.8134399367.

The spelling of 2238500 in words is "two million, two hundred thirty-eight thousand, five hundred".