22722270072 has 32 divisors (see below), whose sum is σ = 56809468800. Its totient is φ = 7573584224.

The previous prime is 22722270049. The next prime is 22722270097. The reversal of 22722270072 is 27007222722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565183 + ... + 604049.

It is an arithmetic number, because the mean of its divisors is an integer number (1775295900).

Almost surely, 2^22722270072 is an apocalyptic number.

It is an amenable number.

22722270072 is an abundant number, since it is smaller than the sum of its proper divisors (34087198728).

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

22722270072 is a wasteful number, since it uses less digits than its factorization.

22722270072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63235 (or 63231 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

Adding to 22722270072 its reverse (27007222722), we get a palindrome (49729492794).

The spelling of 22722270072 in words is "twenty-two billion, seven hundred twenty-two million, two hundred seventy thousand, seventy-two".