722424535830 has 320 divisors, whose sum is σ = 2012435409600. Its totient is φ = 185834373120.

The previous prime is 722424535823. The next prime is 722424535879. The reversal of 722424535830 is 38535424227.

722424535830 is a `hidden beast` number, since 7 + 2 + 24 + 2 + 45 + 3 + 583 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1724163361 + ... + 1724163779.

It is an arithmetic number, because the mean of its divisors is an integer number (6288860655).

Almost surely, 2^722424535830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722424535830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006217704800).

722424535830 is an abundant number, since it is smaller than the sum of its proper divisors (1290010873770).

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

722424535830 is a wasteful number, since it uses less digits than its factorization.

722424535830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 722424535830 in words is "seven hundred twenty-two billion, four hundred twenty-four million, five hundred thirty-five thousand, eight hundred thirty".