2243956 has 24 divisors (see below), whose sum is σ = 4614624. Its totient is φ = 941280.

The previous prime is 2243911. The next prime is 2243959. The reversal of 2243956 is 6593422.

2243956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (192276).

2^2243956 is an apocalyptic number.

2243956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2243956 is an abundant number, since it is smaller than the sum of its proper divisors (2370668).

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

2243956 is a wasteful number, since it uses less digits than its factorization.

2243956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3949 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2243956 is about 1497.9839785525. The cubic root of 2243956 is about 130.9196329310.

The spelling of 2243956 in words is "two million, two hundred forty-three thousand, nine hundred fifty-six".