2238625 has 8 divisors (see below), whose sum is σ = 2793960. Its totient is φ = 1790800.

The previous prime is 2238619. The next prime is 2238631. The reversal of 2238625 is 5268322.

It is an interprime number because it is at equal distance from previous prime (2238619) and next prime (2238631).

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 2108304 = 361^2 + 1452^2 .

It is not a de Polignac number, because 2238625 - 2⁹ = 2238113 is a prime.

It is a super-2 number, since 2×2238625² = 10022883781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2238593 and 2238602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8830 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (349245).

2^2238625 is an apocalyptic number.

2238625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2238625 is a deficient number, since it is larger than the sum of its proper divisors (555335).

2238625 is an equidigital number, since it uses as much as digits as its factorization.

2238625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17914 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2238625 is about 1496.2035289358. The cubic root of 2238625 is about 130.8158748077.

The spelling of 2238625 in words is "two million, two hundred thirty-eight thousand, six hundred twenty-five".