722623662 has 36 divisors (see below), whose sum is σ = 1576391544. Its totient is φ = 239238360.

The previous prime is 722623631. The next prime is 722623667. The reversal of 722623662 is 266326227.

722623662 is a `hidden beast` number, since 7 + 22 + 623 + 6 + 6 + 2 = 666.

722623662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722623667) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 477487 + ... + 478997.

It is an arithmetic number, because the mean of its divisors is an integer number (43788654).

Almost surely, 2^722623662 is an apocalyptic number.

722623662 is an abundant number, since it is smaller than the sum of its proper divisors (853767882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722623662 is a wasteful number, since it uses less digits than its factorization.

722623662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1679 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 722623662 is about 26881.6603281866. The cubic root of 722623662 is about 897.3683047378.

Adding to 722623662 its reverse (266326227), we get a palindrome (988949889).

The spelling of 722623662 in words is "seven hundred twenty-two million, six hundred twenty-three thousand, six hundred sixty-two".