2238886 has 8 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 1033320.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238886 is 6888322.

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

It is a super-2 number, since 2×2238886² = 10025221041992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43030 + ... + 43081.

It is an arithmetic number, because the mean of its divisors is an integer number (452088).

2^2238886 is an apocalyptic number.

2238886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2238886 is a deficient number, since it is larger than the sum of its proper divisors (1377818).

2238886 is a wasteful number, since it uses less digits than its factorization.

2238886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86126.

The product of its digits is 36864, while the sum is 37.

The square root of 2238886 is about 1496.2907471478. The cubic root of 2238886 is about 130.8209585259.

Subtracting from 2238886 its product of digits (36864), we obtain a palindrome (2202022).

The spelling of 2238886 in words is "two million, two hundred thirty-eight thousand, eight hundred eighty-six".