2281402 has 8 divisors (see below), whose sum is σ = 3431700. Its totient is φ = 1137504.

The previous prime is 2281381. The next prime is 2281403. The reversal of 2281402 is 2041822.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 210681 = 1439^2 + 459^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2281402.

It is not an unprimeable number, because it can be changed into a prime (2281403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577 + ... + 2212.

2^2281402 is an apocalyptic number.

2281402 is a deficient number, since it is larger than the sum of its proper divisors (1150298).

2281402 is a wasteful number, since it uses less digits than its factorization.

2281402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2281402 is about 1510.4310642992. The cubic root of 2281402 is about 131.6438593905.

The spelling of 2281402 in words is "two million, two hundred eighty-one thousand, four hundred two".