2280042 has 16 divisors (see below), whose sum is σ = 5066880. Its totient is φ = 759996.

The previous prime is 2280041. The next prime is 2280053. The reversal of 2280042 is 2400822.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2279997 and 2280024.

It is not an unprimeable number, because it can be changed into a prime (2280041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21058 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (316680).

2^2280042 is an apocalyptic number.

2280042 is an abundant number, since it is smaller than the sum of its proper divisors (2786838).

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

2280042 is a wasteful number, since it uses less digits than its factorization.

2280042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42234 (or 42228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2280042 is about 1509.9807945799. The cubic root of 2280042 is about 131.6176954737.

Adding to 2280042 its reverse (2400822), we get a palindrome (4680864).

The spelling of 2280042 in words is "two million, two hundred eighty thousand, forty-two".