42244250 has 16 divisors (see below), whose sum is σ = 79081704. Its totient is φ = 16897600.

The previous prime is 42244249. The next prime is 42244253. The reversal of 42244250 is 5244224.

It can be written as a sum of positive squares in 4 ways, for example, as 9078169 + 33166081 = 3013^2 + 5759^2 .

It is not an unprimeable number, because it can be changed into a prime (42244253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84239 + ... + 84738.

Almost surely, 2^42244250 is an apocalyptic number.

42244250 is a deficient number, since it is larger than the sum of its proper divisors (36837454).

42244250 is a wasteful number, since it uses less digits than its factorization.

42244250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168994 (or 168984 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 42244250 is about 6499.5576772577. The cubic root of 42244250 is about 348.2751874944.

Adding to 42244250 its reverse (5244224), we get a palindrome (47488474).

The spelling of 42244250 in words is "forty-two million, two hundred forty-four thousand, two hundred fifty".