2238533 has 8 divisors (see below), whose sum is σ = 2465760. Its totient is φ = 2015280.

The previous prime is 2238529. The next prime is 2238557. The reversal of 2238533 is 3358322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2238533 - 2² = 2238529 is a prime.

It is a super-2 number, since 2×2238533² = 10022059984178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238233) by changing a digit.

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, 266 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (308220).

2^2238533 is an apocalyptic number.

It is an amenable number.

2238533 is a deficient number, since it is larger than the sum of its proper divisors (227227).

2238533 is a wasteful number, since it uses less digits than its factorization.

2238533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 4320, while the sum is 26.

The square root of 2238533 is about 1496.1727841396. The cubic root of 2238533 is about 130.8140827515.

The spelling of 2238533 in words is "two million, two hundred thirty-eight thousand, five hundred thirty-three".