42122212 has 24 divisors (see below), whose sum is σ = 80633952. Its totient is φ = 19094400.

The previous prime is 42122207. The next prime is 42122231. The reversal of 42122212 is 21222124.

42122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18412 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (3359748).

Almost surely, 2^42122212 is an apocalyptic number.

It is an amenable number.

42122212 is a deficient number, since it is larger than the sum of its proper divisors (38511740).

42122212 is a wasteful number, since it uses less digits than its factorization.

42122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2617 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 42122212 is about 6490.1627098248. The cubic root of 42122212 is about 347.9394905143.

Adding to 42122212 its reverse (21222124), we get a palindrome (63344336).

It can be divided in two parts, 4 and 2122212, that multiplied together give a palindrome (8488848).

The spelling of 42122212 in words is "forty-two million, one hundred twenty-two thousand, two hundred twelve".