42822318 has 64 divisors (see below), whose sum is σ = 108656640. Its totient is φ = 10927200.

The previous prime is 42822293. The next prime is 42822319. The reversal of 42822318 is 81322824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42822319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26473 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (1697760).

Almost surely, 2^42822318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42822318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54328320).

42822318 is an abundant number, since it is smaller than the sum of its proper divisors (65834322).

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

42822318 is a wasteful number, since it uses less digits than its factorization.

42822318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its digits is 6144, while the sum is 30.

The square root of 42822318 is about 6543.8763741379. The cubic root of 42822318 is about 349.8565888649.

The spelling of 42822318 in words is "forty-two million, eight hundred twenty-two thousand, three hundred eighteen".