10122394722 has 64 divisors (see below), whose sum is σ = 22818447360. Its totient is φ = 2965737600.

The previous prime is 10122394679. The next prime is 10122394727. The reversal of 10122394722 is 22749322101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10122394727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3843118 + ... + 3845750.

It is an arithmetic number, because the mean of its divisors is an integer number (356538240).

Almost surely, 2^10122394722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122394722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11409223680).

10122394722 is an abundant number, since it is smaller than the sum of its proper divisors (12696052638).

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

10122394722 is a wasteful number, since it uses less digits than its factorization.

10122394722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 10122394722 in words is "ten billion, one hundred twenty-two million, three hundred ninety-four thousand, seven hundred twenty-two".