2303442 has 24 divisors (see below), whose sum is σ = 5062044. Its totient is φ = 756864.

The previous prime is 2303437. The next prime is 2303461. The reversal of 2303442 is 2443032.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 168921 = 1461^2 + 411^2 .

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

It is an Ulam number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438 + ... + 2190.

2^2303442 is an apocalyptic number.

2303442 is an abundant number, since it is smaller than the sum of its proper divisors (2758602).

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

2303442 is a wasteful number, since it uses less digits than its factorization.

2303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2303442 is about 1517.7094583615. The cubic root of 2303442 is about 132.0664266215.

Adding to 2303442 its reverse (2443032), we get a palindrome (4746474).

The spelling of 2303442 in words is "two million, three hundred three thousand, four hundred forty-two".