42250334 has 32 divisors (see below), whose sum is σ = 75933696. Its totient is φ = 17249760.

The previous prime is 42250331. The next prime is 42250339. The reversal of 42250334 is 43305224.

It is a super-2 number, since 2×42250334² = 3570181446223112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28352 + ... + 29804.

It is an arithmetic number, because the mean of its divisors is an integer number (2372928).

Almost surely, 2^42250334 is an apocalyptic number.

42250334 is a deficient number, since it is larger than the sum of its proper divisors (33683362).

42250334 is a wasteful number, since it uses less digits than its factorization.

42250334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42250334 is about 6500.0256922569. The cubic root of 42250334 is about 348.2919061762.

Adding to 42250334 its reverse (43305224), we get a palindrome (85555558).

The spelling of 42250334 in words is "forty-two million, two hundred fifty thousand, three hundred thirty-four".