722241312 has 48 divisors (see below), whose sum is σ = 2041724160. Its totient is φ = 222227712.

The previous prime is 722241301. The next prime is 722241313. The reversal of 722241312 is 213142227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (722241313) by changing a digit.

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, 288112 + ... + 290607.

It is an arithmetic number, because the mean of its divisors is an integer number (42535920).

Almost surely, 2^722241312 is an apocalyptic number.

It is an amenable number.

722241312 is an abundant number, since it is smaller than the sum of its proper divisors (1319482848).

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

722241312 is a wasteful number, since it uses less digits than its factorization.

722241312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578745 (or 578737 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 722241312 is about 26874.5476613096. The cubic root of 722241312 is about 897.2100068936.

Adding to 722241312 its reverse (213142227), we get a palindrome (935383539).

It can be divided in two parts, 72224 and 1312, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 722241312 in words is "seven hundred twenty-two million, two hundred forty-one thousand, three hundred twelve".