722152008 has 36 divisors (see below), whose sum is σ = 1956446115. Its totient is φ = 240641328.

The previous prime is 722152003. The next prime is 722152009. The reversal of 722152008 is 800251227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 361076004 + 361076004 = 19002^2 + 19002^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19002.

It is not an unprimeable number, because it can be changed into a prime (722152001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 226441 + ... + 229607.

Almost surely, 2^722152008 is an apocalyptic number.

It is an amenable number.

722152008 is an abundant number, since it is smaller than the sum of its proper divisors (1234294107).

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

722152008 is an equidigital number, since it uses as much as digits as its factorization.

722152008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 722152008 is about 26872.8861122136. The cubic root of 722152008 is about 897.1730258348.

The spelling of 722152008 in words is "seven hundred twenty-two million, one hundred fifty-two thousand, eight".