2201438 has 8 divisors (see below), whose sum is σ = 3310632. Its totient is φ = 1097896.

The previous prime is 2201431. The next prime is 2201443. The reversal of 2201438 is 8341022.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (413829).

2^2201438 is an apocalyptic number.

2201438 is a deficient number, since it is larger than the sum of its proper divisors (1109194).

2201438 is a wasteful number, since it uses less digits than its factorization.

2201438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2201438 is about 1483.7243679336. The cubic root of 2201438 is about 130.0874756421.

The spelling of 2201438 in words is "two million, two hundred one thousand, four hundred thirty-eight".