42203404 has 6 divisors (see below), whose sum is σ = 73855964. Its totient is φ = 21101700.

The previous prime is 42203393. The next prime is 42203407. The reversal of 42203404 is 40430224.

It is a super-2 number, since 2×42203404² = 3562254618374432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275422 + ... + 5275429.

Almost surely, 2^42203404 is an apocalyptic number.

It is an amenable number.

42203404 is a deficient number, since it is larger than the sum of its proper divisors (31652560).

42203404 is a wasteful number, since it uses less digits than its factorization.

42203404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550855 (or 10550853 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42203404 is about 6496.4147035115. The cubic root of 42203404 is about 348.1629021088.

Adding to 42203404 its reverse (40430224), we get a palindrome (82633628).

The spelling of 42203404 in words is "forty-two million, two hundred three thousand, four hundred four".