722262432 has 24 divisors (see below), whose sum is σ = 1895939136. Its totient is φ = 240754112.

The previous prime is 722262419. The next prime is 722262433. The reversal of 722262432 is 234262227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 722262432.

It is not an unprimeable number, because it can be changed into a prime (722262433) 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 3 ways as a sum of consecutive naturals, for example, 3761688 + ... + 3761879.

It is an arithmetic number, because the mean of its divisors is an integer number (78997464).

Almost surely, 2^722262432 is an apocalyptic number.

It is an amenable number.

722262432 is an abundant number, since it is smaller than the sum of its proper divisors (1173676704).

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

722262432 is a wasteful number, since it uses less digits than its factorization.

722262432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523580 (or 7523572 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 722262432 is about 26874.9405952832. The cubic root of 722262432 is about 897.2187523042.

The spelling of 722262432 in words is "seven hundred twenty-two million, two hundred sixty-two thousand, four hundred thirty-two".