22722022722 has 64 divisors (see below), whose sum is σ = 52552528128. Its totient is φ = 6415200000.

The previous prime is 22722022717. The next prime is 22722022733.

It is a happy number.

22722022722 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×22722022722³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22722022722.

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, 2289972 + ... + 2299872.

It is an arithmetic number, because the mean of its divisors is an integer number (821133252).

Almost surely, 2^22722022722 is an apocalyptic number.

22722022722 is an abundant number, since it is smaller than the sum of its proper divisors (29830505406).

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

22722022722 is a wasteful number, since it uses less digits than its factorization.

22722022722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555.

The product of its (nonzero) digits is 12544, while the sum is 30.

It can be divided in two parts, 227220 and 22722, that added together give a palindrome (249942).

The spelling of 22722022722 in words is "twenty-two billion, seven hundred twenty-two million, twenty-two thousand, seven hundred twenty-two".