42230212 has 6 divisors (see below), whose sum is σ = 73902878. Its totient is φ = 21115104.

The previous prime is 42230207. The next prime is 42230213. The reversal of 42230212 is 21203224.

It can be written as a sum of positive squares in only one way, i.e., 26357956 + 15872256 = 5134^2 + 3984^2 .

It is not an unprimeable number, because it can be changed into a prime (42230213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278773 + ... + 5278780.

Almost surely, 2^42230212 is an apocalyptic number.

It is an amenable number.

42230212 is a deficient number, since it is larger than the sum of its proper divisors (31672666).

42230212 is a wasteful number, since it uses less digits than its factorization.

42230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557557 (or 10557555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42230212 is about 6498.4776678850. The cubic root of 42230212 is about 348.2366052910.

Adding to 42230212 its reverse (21203224), we get a palindrome (63433436).

The spelling of 42230212 in words is "forty-two million, two hundred thirty thousand, two hundred twelve".