42203290 has 32 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 16470144.

The previous prime is 42203279. The next prime is 42203297. The reversal of 42203290 is 9230224.

42203290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42203290² = 3562235373648200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137317 + ... + 137623.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 2^42203290 is an apocalyptic number.

42203290 is a deficient number, since it is larger than the sum of its proper divisors (35634470).

42203290 is a wasteful number, since it uses less digits than its factorization.

42203290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42203290 is about 6496.4059294351. The cubic root of 42203290 is about 348.1625886222.

The spelling of 42203290 in words is "forty-two million, two hundred three thousand, two hundred ninety".