2243154 has 8 divisors (see below), whose sum is σ = 4486320. Its totient is φ = 747716.

The previous prime is 2243123. The next prime is 2243161. The reversal of 2243154 is 4513422.

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

2243154 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243154.

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, 186924 + ... + 186935.

It is an arithmetic number, because the mean of its divisors is an integer number (560790).

2^2243154 is an apocalyptic number.

2243154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243154 is a wasteful number, since it uses less digits than its factorization.

2243154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373864.

The product of its digits is 960, while the sum is 21.

The square root of 2243154 is about 1497.7162615128. The cubic root of 2243154 is about 130.9040339832.

Adding to 2243154 its reverse (4513422), we get a palindrome (6756576).

The spelling of 2243154 in words is "two million, two hundred forty-three thousand, one hundred fifty-four".