243022004 has 24 divisors (see below), whose sum is σ = 450914688. Its totient is φ = 114208640.

The previous prime is 243021983. The next prime is 243022019. The reversal of 243022004 is 400220342.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59987 + ... + 63909.

It is an arithmetic number, because the mean of its divisors is an integer number (18788112).

Almost surely, 2^243022004 is an apocalyptic number.

It is an amenable number.

243022004 is a deficient number, since it is larger than the sum of its proper divisors (207892684).

243022004 is a wasteful number, since it uses less digits than its factorization.

243022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 243022004 is about 15589.1630307724. The cubic root of 243022004 is about 624.0439818057.

Adding to 243022004 its reverse (400220342), we get a palindrome (643242346).

The spelling of 243022004 in words is "two hundred forty-three million, twenty-two thousand, four".