42236250 has 80 divisors (see below), whose sum is σ = 120711360. Its totient is φ = 9648000.

The previous prime is 42236239. The next prime is 42236251. The reversal of 42236250 is 5263224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42236250.

It is not an unprimeable number, because it can be changed into a prime (42236251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25446 + ... + 27054.

It is an arithmetic number, because the mean of its divisors is an integer number (1508892).

Almost surely, 2^42236250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42236250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60355680).

42236250 is an abundant number, since it is smaller than the sum of its proper divisors (78475110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42236250 is a wasteful number, since it uses less digits than its factorization.

42236250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42236250 is about 6498.9422216235. The cubic root of 42236250 is about 348.2532012486.

Adding to 42236250 its reverse (5263224), we get a palindrome (47499474).

It can be divided in two parts, 42236 and 250, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42236250 in words is "forty-two million, two hundred thirty-six thousand, two hundred fifty".