722052212 has 48 divisors (see below), whose sum is σ = 1530480000. Its totient is φ = 291164544.

The previous prime is 722052209. The next prime is 722052239. The reversal of 722052212 is 212250227.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 74714 + ... + 83822.

It is an arithmetic number, because the mean of its divisors is an integer number (31885000).

Almost surely, 2^722052212 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 722052212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765240000).

722052212 is an abundant number, since it is smaller than the sum of its proper divisors (808427788).

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

722052212 is a wasteful number, since it uses less digits than its factorization.

722052212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288 (or 9286 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 722052212 is about 26871.0292322419. The cubic root of 722052212 is about 897.1316963996.

The spelling of 722052212 in words is "seven hundred twenty-two million, fifty-two thousand, two hundred twelve".