720422212 has 12 divisors (see below), whose sum is σ = 1261902096. Its totient is φ = 359878760.

The previous prime is 720422191. The next prime is 720422291. The reversal of 720422212 is 212224027.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 78178 + ... + 86905.

It is an arithmetic number, because the mean of its divisors is an integer number (105158508).

Almost surely, 2^720422212 is an apocalyptic number.

It is an amenable number.

720422212 is a deficient number, since it is larger than the sum of its proper divisors (541479884).

720422212 is a wasteful number, since it uses less digits than its factorization.

720422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166178 (or 166176 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 720422212 is about 26840.6820330632. The cubic root of 720422212 is about 896.4561097869.

Adding to 720422212 its reverse (212224027), we get a palindrome (932646239).

The spelling of 720422212 in words is "seven hundred twenty million, four hundred twenty-two thousand, two hundred twelve".