42250332 has 48 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 13497792.

The previous prime is 42250331. The next prime is 42250339. The reversal of 42250332 is 23305224.

It is a super-2 number, since 2×42250332² = 3570181108220448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42250299 and 42250308.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57753 + ... + 58479.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 2^42250332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42250332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51367680).

42250332 is an abundant number, since it is smaller than the sum of its proper divisors (60485028).

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

42250332 is a wasteful number, since it uses less digits than its factorization.

42250332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42250332 is about 6500.0255384114. The cubic root of 42250332 is about 348.2919006806.

Adding to 42250332 its reverse (23305224), we get a palindrome (65555556).

The spelling of 42250332 in words is "forty-two million, two hundred fifty thousand, three hundred thirty-two".