42203624 has 16 divisors (see below), whose sum is σ = 79756800. Its totient is φ = 20935152.

The previous prime is 42203599. The next prime is 42203627. The reversal of 42203624 is 42630224.

It is a super-2 number, since 2×42203624² = 3562291757466752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42203624.

It is not an unprimeable number, because it can be changed into a prime (42203627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19754 + ... + 21785.

It is an arithmetic number, because the mean of its divisors is an integer number (4984800).

Almost surely, 2^42203624 is an apocalyptic number.

It is an amenable number.

42203624 is a deficient number, since it is larger than the sum of its proper divisors (37553176).

42203624 is a wasteful number, since it uses less digits than its factorization.

42203624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41672 (or 41668 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42203624 is about 6496.4316359060. The cubic root of 42203624 is about 348.1635070814.

Adding to 42203624 its reverse (42630224), we get a palindrome (84833848).

The spelling of 42203624 in words is "forty-two million, two hundred three thousand, six hundred twenty-four".