42203312 has 10 divisors (see below), whose sum is σ = 81768948. Its totient is φ = 21101648.

The previous prime is 42203303. The next prime is 42203341. The reversal of 42203312 is 21330224.

It is a super-2 number, since 2×42203312² = 3562239087538688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318838 + ... + 1318869.

Almost surely, 2^42203312 is an apocalyptic number.

It is an amenable number.

42203312 is a deficient number, since it is larger than the sum of its proper divisors (39565636).

42203312 is a wasteful number, since it uses less digits than its factorization.

42203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637715 (or 2637709 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42203312 is about 6496.4076226789. The cubic root of 42203312 is about 348.1626491196.

Adding to 42203312 its reverse (21330224), we get a palindrome (63533536).

The spelling of 42203312 in words is "forty-two million, two hundred three thousand, three hundred twelve".