2281742 has 4 divisors (see below), whose sum is σ = 3422616. Its totient is φ = 1140870.

The previous prime is 2281739. The next prime is 2281751. The reversal of 2281742 is 2471822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570434 + ... + 570437.

It is an arithmetic number, because the mean of its divisors is an integer number (855654).

2^2281742 is an apocalyptic number.

2281742 is a deficient number, since it is larger than the sum of its proper divisors (1140874).

2281742 is a wasteful number, since it uses less digits than its factorization.

2281742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140873.

The product of its digits is 1792, while the sum is 26.

The square root of 2281742 is about 1510.5436107574. The cubic root of 2281742 is about 131.6503987450.

The spelling of 2281742 in words is "two million, two hundred eighty-one thousand, seven hundred forty-two".