722115222024 has 128 divisors (see below), whose sum is σ = 2069020661760. Its totient is φ = 205735853568.

The previous prime is 722115222007. The next prime is 722115222047. The reversal of 722115222024 is 420222511227.

It is a junction number, because it is equal to n+sod(n) for n = 722115221982 and 722115222000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180211429 + ... + 180215435.

It is an arithmetic number, because the mean of its divisors is an integer number (16164223920).

Almost surely, 2^722115222024 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 722115222024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034510330880).

722115222024 is an abundant number, since it is smaller than the sum of its proper divisors (1346905439736).

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

722115222024 is a wasteful number, since it uses less digits than its factorization.

722115222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787 (or 6783 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 722115222024 in words is "seven hundred twenty-two billion, one hundred fifteen million, two hundred twenty-two thousand, twenty-four".