42350228 has 12 divisors (see below), whose sum is σ = 74190900. Its totient is φ = 21152832.

The previous prime is 42350219. The next prime is 42350251. The reversal of 42350228 is 82205324.

It can be written as a sum of positive squares in 2 ways, for example, as 31047184 + 11303044 = 5572^2 + 3362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42350197 and 42350206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (6182575).

Almost surely, 2^42350228 is an apocalyptic number.

It is an amenable number.

42350228 is a deficient number, since it is larger than the sum of its proper divisors (31840672).

42350228 is a wasteful number, since it uses less digits than its factorization.

42350228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146 (or 11144 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42350228 is about 6507.7052791287. The cubic root of 42350228 is about 348.5661831987.

The spelling of 42350228 in words is "forty-two million, three hundred fifty thousand, two hundred twenty-eight".