42203330 has 16 divisors (see below), whose sum is σ = 81809784. Its totient is φ = 15582720.

The previous prime is 42203303. The next prime is 42203341. The reversal of 42203330 is 3330224.

It can be written as a sum of positive squares in 4 ways, for example, as 28058209 + 14145121 = 5297^2 + 3761^2 .

It is a super-2 number, since 2×42203330² = 3562242126177800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42203299 and 42203308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162191 + ... + 162450.

Almost surely, 2^42203330 is an apocalyptic number.

42203330 is a deficient number, since it is larger than the sum of its proper divisors (39606454).

42203330 is a wasteful number, since it uses less digits than its factorization.

42203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324661.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 42203330 is about 6496.4090080598. The cubic root of 42203330 is about 348.1626986175.

Adding to 42203330 its reverse (3330224), we get a palindrome (45533554).

The spelling of 42203330 in words is "forty-two million, two hundred three thousand, three hundred thirty".