42003224 has 16 divisors (see below), whose sum is σ = 82901400. Its totient is φ = 19896192.

The previous prime is 42003211. The next prime is 42003239. The reversal of 42003224 is 42230024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138017 + ... + 138320.

Almost surely, 2^42003224 is an apocalyptic number.

It is an amenable number.

42003224 is a deficient number, since it is larger than the sum of its proper divisors (40898176).

42003224 is a wasteful number, since it uses less digits than its factorization.

42003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276362 (or 276358 counting only the distinct ones).

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

The square root of 42003224 is about 6480.9894306348. The cubic root of 42003224 is about 347.6115584753.

Adding to 42003224 its reverse (42230024), we get a palindrome (84233248).

The spelling of 42003224 in words is "forty-two million, three thousand, two hundred twenty-four".