2321442 has 12 divisors (see below), whose sum is σ = 5029830. Its totient is φ = 773808.

The previous prime is 2321399. The next prime is 2321443. The reversal of 2321442 is 2441232.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 221841 = 1449^2 + 471^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 128969 = 2321442 / (2 + 3 + 2 + 1 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (2321443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64467 + ... + 64502.

2^2321442 is an apocalyptic number.

2321442 is an abundant number, since it is smaller than the sum of its proper divisors (2708388).

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

2321442 is a wasteful number, since it uses less digits than its factorization.

2321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128977 (or 128974 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2321442 is about 1523.6279073317. The cubic root of 2321442 is about 132.4095407247.

Adding to 2321442 its reverse (2441232), we get a palindrome (4762674).

The spelling of 2321442 in words is "two million, three hundred twenty-one thousand, four hundred forty-two".