722899086 has 64 divisors (see below), whose sum is σ = 1782563328. Its totient is φ = 190320768.

The previous prime is 722899069. The next prime is 722899087. The reversal of 722899086 is 680998227.

It is a happy number.

It is a super-3 number, since 3×722899086³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722899087) 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 31 ways as a sum of consecutive naturals, for example, 552445 + ... + 553751.

It is an arithmetic number, because the mean of its divisors is an integer number (27852552).

Almost surely, 2^722899086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722899086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891281664).

722899086 is an abundant number, since it is smaller than the sum of its proper divisors (1059664242).

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

722899086 is a wasteful number, since it uses less digits than its factorization.

722899086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 722899086 is about 26886.7827379923. The cubic root of 722899086 is about 897.4822992399.

The spelling of 722899086 in words is "seven hundred twenty-two million, eight hundred ninety-nine thousand, eighty-six".