722162016 has 72 divisors (see below), whose sum is σ = 2082631824. Its totient is φ = 237323520.

The previous prime is 722161963. The next prime is 722162017. The reversal of 722162016 is 610261227.

722162016 is a `hidden beast` number, since 7 + 2 + 21 + 620 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722162017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2790 + ... + 38106.

It is an arithmetic number, because the mean of its divisors is an integer number (28925442).

Almost surely, 2^722162016 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 722162016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041315912).

722162016 is an abundant number, since it is smaller than the sum of its proper divisors (1360469808).

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

722162016 is a wasteful number, since it uses less digits than its factorization.

722162016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35404 (or 35393 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 722162016 is about 26873.0723215638. The cubic root of 722162016 is about 897.1771703298.

The spelling of 722162016 in words is "seven hundred twenty-two million, one hundred sixty-two thousand, sixteen".