845689722 has 16 divisors (see below), whose sum is σ = 1692139680. Its totient is φ = 281769872.

The previous prime is 845689721. The next prime is 845689727. The reversal of 845689722 is 227986548.

845689722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×845689722² = 1430382211792874568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (845689721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16668 + ... + 44375.

It is an arithmetic number, because the mean of its divisors is an integer number (105758730).

Almost surely, 2^845689722 is an apocalyptic number.

845689722 is an abundant number, since it is smaller than the sum of its proper divisors (846449958).

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

845689722 is a wasteful number, since it uses less digits than its factorization.

845689722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63357.

The product of its digits is 1935360, while the sum is 51.

The square root of 845689722 is about 29080.7448666639. The cubic root of 845689722 is about 945.6643507352.

The spelling of 845689722 in words is "eight hundred forty-five million, six hundred eighty-nine thousand, seven hundred twenty-two".