722133888408 has 96 divisors (see below), whose sum is σ = 2072716691760. Its totient is φ = 226344867840.

The previous prime is 722133888397. The next prime is 722133888419. The reversal of 722133888408 is 804888331227.

722133888408 is a `hidden beast` number, since 7 + 2 + 213 + 388 + 8 + 40 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (722133888397) and next prime (722133888419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1073823 + ... + 1611633.

Almost surely, 2^722133888408 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 722133888408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036358345880).

722133888408 is an abundant number, since it is smaller than the sum of its proper divisors (1350582803352).

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

722133888408 is a wasteful number, since it uses less digits than its factorization.

722133888408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538937 (or 538930 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 722133888408 in words is "seven hundred twenty-two billion, one hundred thirty-three million, eight hundred eighty-eight thousand, four hundred eight".