22742824722 has 16 divisors (see below), whose sum is σ = 46595056032. Its totient is φ = 7396040480.

The previous prime is 22742824691. The next prime is 22742824739.

22742824722 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22742824722² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46225008 + ... + 46225499.

It is an arithmetic number, because the mean of its divisors is an integer number (2912191002).

Almost surely, 2^22742824722 is an apocalyptic number.

22742824722 is an abundant number, since it is smaller than the sum of its proper divisors (23852231310).

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

22742824722 is a wasteful number, since it uses less digits than its factorization.

22742824722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92450553.

The product of its digits is 401408, while the sum is 42.

The spelling of 22742824722 in words is "twenty-two billion, seven hundred forty-two million, eight hundred twenty-four thousand, seven hundred twenty-two".