722447101888512 has 1152 divisors, whose sum is σ = 2663937952865280. Its totient is φ = 171126327214080.

The previous prime is 722447101888471. The next prime is 722447101888559. The reversal of 722447101888512 is 215888101744227.

It is a happy number.

It is a super-2 number, since 2×722447101888512² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3573132573 + ... + 3573334755.

It is an arithmetic number, because the mean of its divisors is an integer number (2312446139640).

Almost surely, 2^{722447101888512} 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 722447101888512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331968976432640).

722447101888512 is an abundant number, since it is smaller than the sum of its proper divisors (1941490850976768).

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

722447101888512 is a wasteful number, since it uses less digits than its factorization.

722447101888512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202329 (or 202302 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 60.

The spelling of 722447101888512 in words is "seven hundred twenty-two trillion, four hundred forty-seven billion, one hundred one million, eight hundred eighty-eight thousand, five hundred twelve".