42162282 has 40 divisors (see below), whose sum is σ = 94965156. Its totient is φ = 13981248.

The previous prime is 42162269. The next prime is 42162283. The reversal of 42162282 is 28226124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34327881 + 7834401 = 5859^2 + 2799^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42162283) 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 19 ways as a sum of consecutive naturals, for example, 37188 + ... + 38304.

Almost surely, 2^42162282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42162282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47482578).

42162282 is an abundant number, since it is smaller than the sum of its proper divisors (52802874).

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

42162282 is a wasteful number, since it uses less digits than its factorization.

42162282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1355 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 42162282 is about 6493.2489556462. The cubic root of 42162282 is about 348.0497847918.

The spelling of 42162282 in words is "forty-two million, one hundred sixty-two thousand, two hundred eighty-two".