2238635 has 16 divisors (see below), whose sum is σ = 3096576. Its totient is φ = 1521888.

The previous prime is 2238631. The next prime is 2238647. The reversal of 2238635 is 5368322.

It is a cyclic number.

It is not a de Polignac number, because 2238635 - 2² = 2238631 is a prime.

It is a super-2 number, since 2×2238635² = 10022973326450, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹² + 2¹⁴ + 3⁸ + 8³ + 6⁸ + 3¹² + 5² .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2238598 and 2238607.

It is not an unprimeable number, because it can be changed into a prime (2238631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5654 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (193536).

2^2238635 is an apocalyptic number.

2238635 is a deficient number, since it is larger than the sum of its proper divisors (857941).

2238635 is a wasteful number, since it uses less digits than its factorization.

2238635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 8640, while the sum is 29.

The square root of 2238635 is about 1496.2068707234. The cubic root of 2238635 is about 130.8160695934.

The spelling of 2238635 in words is "two million, two hundred thirty-eight thousand, six hundred thirty-five".