42230744 has 8 divisors (see below), whose sum is σ = 79182660. Its totient is φ = 21115368.

The previous prime is 42230723. The next prime is 42230753. The reversal of 42230744 is 44703224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639414 + ... + 2639429.

Almost surely, 2^42230744 is an apocalyptic number.

It is an amenable number.

42230744 is a deficient number, since it is larger than the sum of its proper divisors (36951916).

42230744 is a wasteful number, since it uses less digits than its factorization.

42230744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278849 (or 5278845 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42230744 is about 6498.5186004196. The cubic root of 42230744 is about 348.2380676019.

Adding to 42230744 its reverse (44703224), we get a palindrome (86933968).

The spelling of 42230744 in words is "forty-two million, two hundred thirty thousand, seven hundred forty-four".