722285088 has 144 divisors (see below), whose sum is σ = 2218376160. Its totient is φ = 205169664.

The previous prime is 722285087. The next prime is 722285101. The reversal of 722285088 is 880582227.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (722285087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095703 + ... + 1096361.

It is an arithmetic number, because the mean of its divisors is an integer number (15405390).

Almost surely, 2^722285088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722285088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109188080).

722285088 is an abundant number, since it is smaller than the sum of its proper divisors (1496091072).

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

722285088 is a wasteful number, since it uses less digits than its factorization.

722285088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 722285088 is about 26875.3620998862. The cubic root of 722285088 is about 897.2281335552.

The spelling of 722285088 in words is "seven hundred twenty-two million, two hundred eighty-five thousand, eighty-eight".