722252412 has 144 divisors (see below), whose sum is σ = 2251634112. Its totient is φ = 190494720.

The previous prime is 722252411. The next prime is 722252413. The reversal of 722252412 is 214252227.

722252412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722252411) and next prime (722252413).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722252411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225462 + ... + 228642.

It is an arithmetic number, because the mean of its divisors is an integer number (15636348).

Almost surely, 2^722252412 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 722252412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125817056).

722252412 is an abundant number, since it is smaller than the sum of its proper divisors (1529381700).

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

722252412 is a wasteful number, since it uses less digits than its factorization.

722252412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3263 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 722252412 is about 26874.7541756199. The cubic root of 722252412 is about 897.2146032244.

The spelling of 722252412 in words is "seven hundred twenty-two million, two hundred fifty-two thousand, four hundred twelve".