42234404 has 6 divisors (see below), whose sum is σ = 73910214. Its totient is φ = 21117200.

The previous prime is 42234403. The next prime is 42234433. The reversal of 42234404 is 40443224.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 15194404 = 5200^2 + 3898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42234404.

It is not an unprimeable number, because it can be changed into a prime (42234403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5279297 + ... + 5279304.

It is an arithmetic number, because the mean of its divisors is an integer number (12318369).

Almost surely, 2^42234404 is an apocalyptic number.

It is an amenable number.

42234404 is a deficient number, since it is larger than the sum of its proper divisors (31675810).

42234404 is a wasteful number, since it uses less digits than its factorization.

42234404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558605 (or 10558603 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42234404 is about 6498.8001969594. The cubic root of 42234404 is about 348.2481275281.

Adding to 42234404 its reverse (40443224), we get a palindrome (82677628).

The spelling of 42234404 in words is "forty-two million, two hundred thirty-four thousand, four hundred four".