42226180 has 12 divisors (see below), whose sum is σ = 88675020. Its totient is φ = 16890464.

The previous prime is 42226169. The next prime is 42226199. The reversal of 42226180 is 8162224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33547264 + 8678916 = 5792^2 + 2946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055635 + ... + 1055674.

It is an arithmetic number, because the mean of its divisors is an integer number (7389585).

Almost surely, 2^42226180 is an apocalyptic number.

It is an amenable number.

42226180 is an abundant number, since it is smaller than the sum of its proper divisors (46448840).

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

42226180 is a wasteful number, since it uses less digits than its factorization.

42226180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111318 (or 2111316 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42226180 is about 6498.1674339771. The cubic root of 42226180 is about 348.2255221145.

The spelling of 42226180 in words is "forty-two million, two hundred twenty-six thousand, one hundred eighty".