722820610 has 16 divisors (see below), whose sum is σ = 1369555200. Its totient is φ = 273910896.

The previous prime is 722820601. The next prime is 722820613. The reversal of 722820610 is 16028227.

It is not an unprimeable number, because it can be changed into a prime (722820613) by changing a digit.

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, 1901970 + ... + 1902349.

It is an arithmetic number, because the mean of its divisors is an integer number (85597200).

Almost surely, 2^722820610 is an apocalyptic number.

722820610 is a deficient number, since it is larger than the sum of its proper divisors (646734590).

722820610 is a wasteful number, since it uses less digits than its factorization.

722820610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804345.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 722820610 is about 26885.3233196106. The cubic root of 722820610 is about 897.4498219684.

Adding to 722820610 its reverse (16028227), we get a palindrome (738848837).

The spelling of 722820610 in words is "seven hundred twenty-two million, eight hundred twenty thousand, six hundred ten".