2281960 has 32 divisors (see below), whose sum is σ = 5200200. Its totient is φ = 901120.

The previous prime is 2281921. The next prime is 2281973. The reversal of 2281960 is 691822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1943236 + 338724 = 1394^2 + 582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240 + ... + 3880.

2^2281960 is an apocalyptic number.

2281960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2281960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600100).

2281960 is an abundant number, since it is smaller than the sum of its proper divisors (2918240).

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

2281960 is a wasteful number, since it uses less digits than its factorization.

2281960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2281960 is about 1510.6157684865. The cubic root of 2281960 is about 131.6545912834.

The spelling of 2281960 in words is "two million, two hundred eighty-one thousand, nine hundred sixty".