42250230 has 48 divisors (see below), whose sum is σ = 119839824. Its totient is φ = 10242240.

The previous prime is 42250223. The next prime is 42250231. The reversal of 42250230 is 3205224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20349 + ... + 22328.

It is an arithmetic number, because the mean of its divisors is an integer number (2496663).

Almost surely, 2^42250230 is an apocalyptic number.

42250230 is an abundant number, since it is smaller than the sum of its proper divisors (77589594).

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

42250230 is a wasteful number, since it uses less digits than its factorization.

42250230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42701 (or 42698 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 42250230 is about 6500.0176922836. The cubic root of 42250230 is about 348.2916204003.

Adding to 42250230 its reverse (3205224), we get a palindrome (45455454).

The spelling of 42250230 in words is "forty-two million, two hundred fifty thousand, two hundred thirty".