2206238 has 4 divisors (see below), whose sum is σ = 3309360. Its totient is φ = 1103118.

The previous prime is 2206219. The next prime is 2206247. The reversal of 2206238 is 8326022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2206238² = 9734972225288, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551558 + ... + 551561.

It is an arithmetic number, because the mean of its divisors is an integer number (827340).

2^2206238 is an apocalyptic number.

2206238 is a deficient number, since it is larger than the sum of its proper divisors (1103122).

2206238 is a wasteful number, since it uses less digits than its factorization.

2206238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103121.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2206238 is about 1485.3410382804. The cubic root of 2206238 is about 130.1819542822.

The spelling of 2206238 in words is "two million, two hundred six thousand, two hundred thirty-eight".