722250016 has 48 divisors (see below), whose sum is σ = 1466809344. Its totient is φ = 349864704.

The previous prime is 722249989. The next prime is 722250031. The reversal of 722250016 is 610052227.

It is a super-2 number, since 2×722250016² = 1043290171224000512, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 172686 + ... + 176818.

It is an arithmetic number, because the mean of its divisors is an integer number (30558528).

Almost surely, 2^722250016 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 722250016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733404672).

722250016 is an abundant number, since it is smaller than the sum of its proper divisors (744559328).

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

722250016 is a wasteful number, since it uses less digits than its factorization.

722250016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 722250016 is about 26874.7095984310. The cubic root of 722250016 is about 897.2136110835.

The spelling of 722250016 in words is "seven hundred twenty-two million, two hundred fifty thousand, sixteen".