2243980 has 12 divisors (see below), whose sum is σ = 4712400. Its totient is φ = 897584.

The previous prime is 2243959. The next prime is 2243987. The reversal of 2243980 is 893422.

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 4⁸ + 3⁹ + 9⁵ + 8³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2243987) 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, 56080 + ... + 56119.

It is an arithmetic number, because the mean of its divisors is an integer number (392700).

2^2243980 is an apocalyptic number.

2243980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243980 is an abundant number, since it is smaller than the sum of its proper divisors (2468420).

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

2243980 is a wasteful number, since it uses less digits than its factorization.

2243980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112208 (or 112206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2243980 is about 1497.9919892977. The cubic root of 2243980 is about 130.9200996751.

It can be divided in two parts, 2243 and 980, that added together give a palindrome (3223).

The spelling of 2243980 in words is "two million, two hundred forty-three thousand, nine hundred eighty".