2240442 has 24 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 707400.

The previous prime is 2240431. The next prime is 2240449. The reversal of 2240442 is 2440422.

2240442 is a `hidden beast` number, since 224 + 0 + 442 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2240449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (212940).

2^2240442 is an apocalyptic number.

2240442 is an abundant number, since it is smaller than the sum of its proper divisors (2870118).

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

2240442 is a wasteful number, since it uses less digits than its factorization.

2240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6575 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2240442 is about 1496.8106092622. The cubic root of 2240442 is about 130.8512578613.

Adding to 2240442 its reverse (2440422), we get a palindrome (4680864).

The spelling of 2240442 in words is "two million, two hundred forty thousand, four hundred forty-two".