722232012 has 48 divisors (see below), whose sum is σ = 1802056032. Its totient is φ = 224332800.

The previous prime is 722232001. The next prime is 722232013. The reversal of 722232012 is 210232227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 722232012.

It is not an unprimeable number, because it can be changed into a prime (722232013) by changing a digit.

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, 3078 + ... + 38130.

It is an arithmetic number, because the mean of its divisors is an integer number (37542834).

Almost surely, 2^722232012 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 722232012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901028016).

722232012 is an abundant number, since it is smaller than the sum of its proper divisors (1079824020).

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

722232012 is a wasteful number, since it uses less digits than its factorization.

722232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35178 (or 35176 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 722232012 is about 26874.3746345845. The cubic root of 722232012 is about 897.2061558774.

Adding to 722232012 its reverse (210232227), we get a palindrome (932464239).

The spelling of 722232012 in words is "seven hundred twenty-two million, two hundred thirty-two thousand, twelve".