140322212 has 6 divisors (see below), whose sum is σ = 245563878. Its totient is φ = 70161104.

The previous prime is 140322191. The next prime is 140322253. The reversal of 140322212 is 212223041.

It can be written as a sum of positive squares in only one way, i.e., 118940836 + 21381376 = 10906^2 + 4624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17540273 + ... + 17540280.

It is an arithmetic number, because the mean of its divisors is an integer number (40927313).

Almost surely, 2^140322212 is an apocalyptic number.

It is an amenable number.

140322212 is a deficient number, since it is larger than the sum of its proper divisors (105241666).

140322212 is a wasteful number, since it uses less digits than its factorization.

140322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35080557 (or 35080555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140322212 is about 11845.7676830166. The cubic root of 140322212 is about 519.6474582818.

Adding to 140322212 its reverse (212223041), we get a palindrome (352545253).

The spelling of 140322212 in words is "one hundred forty million, three hundred twenty-two thousand, two hundred twelve".