2238855 has 8 divisors (see below), whose sum is σ = 3582192. Its totient is φ = 1194048.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238855 is 5588322.

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

It is not a de Polignac number, because 2238855 - 2⁵ = 2238823 is a prime.

It is a super-2 number, since 2×2238855² = 10024943422050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 3⁸ + 8 + 8 + 5⁴ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74614 + ... + 74643.

It is an arithmetic number, because the mean of its divisors is an integer number (447774).

2^2238855 is an apocalyptic number.

2238855 is a deficient number, since it is larger than the sum of its proper divisors (1343337).

2238855 is a wasteful number, since it uses less digits than its factorization.

2238855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149265.

The product of its digits is 19200, while the sum is 33.

The square root of 2238855 is about 1496.2803881626. The cubic root of 2238855 is about 130.8203547333.

The spelling of 2238855 in words is "two million, two hundred thirty-eight thousand, eight hundred fifty-five".