2243392 has 14 divisors (see below), whose sum is σ = 4451858. Its totient is φ = 1121664.

The previous prime is 2243383. The next prime is 2243393. The reversal of 2243392 is 2933422.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 665856 = 1256^2 + 816^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17463 + ... + 17590.

2^2243392 is an apocalyptic number.

It is an amenable number.

2243392 is a deficient number, since it is larger than the sum of its proper divisors (2208466).

2243392 is an equidigital number, since it uses as much as digits as its factorization.

2243392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35065 (or 35055 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 2243392 is about 1497.7957137073. The cubic root of 2243392 is about 130.9086634853.

The spelling of 2243392 in words is "two million, two hundred forty-three thousand, three hundred ninety-two".