722305412 has 12 divisors (see below), whose sum is σ = 1287884556. Its totient is φ = 354338400.

The previous prime is 722305411. The next prime is 722305417. The reversal of 722305412 is 214503227.

It can be written as a sum of positive squares in 2 ways, for example, as 489559876 + 232745536 = 22126^2 + 15256^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (722305411) 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 3 ways as a sum of consecutive naturals, for example, 1703339 + ... + 1703762.

It is an arithmetic number, because the mean of its divisors is an integer number (107323713).

Almost surely, 2^722305412 is an apocalyptic number.

It is an amenable number.

722305412 is a deficient number, since it is larger than the sum of its proper divisors (565579144).

722305412 is a wasteful number, since it uses less digits than its factorization.

722305412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407158 (or 3407156 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 722305412 is about 26875.7402130620. The cubic root of 722305412 is about 897.2365490197.

Adding to 722305412 its reverse (214503227), we get a palindrome (936808639).

The spelling of 722305412 in words is "seven hundred twenty-two million, three hundred five thousand, four hundred twelve".