42202278 has 12 divisors (see below), whose sum is σ = 91438308. Its totient is φ = 14067420.

The previous prime is 42202273. The next prime is 42202283. The reversal of 42202278 is 87220224.

42202278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42202273) and next prime (42202283).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1172268 + ... + 1172303.

It is an arithmetic number, because the mean of its divisors is an integer number (7619859).

Almost surely, 2^42202278 is an apocalyptic number.

42202278 is an abundant number, since it is smaller than the sum of its proper divisors (49236030).

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

42202278 is a wasteful number, since it uses less digits than its factorization.

42202278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344579 (or 2344576 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 42202278 is about 6496.3280397468. The cubic root of 42202278 is about 348.1598057163.

The spelling of 42202278 in words is "forty-two million, two hundred two thousand, two hundred seventy-eight".