22720452771 has 8 divisors (see below), whose sum is σ = 30318431824. Its totient is φ = 15134721120.

The previous prime is 22720452751. The next prime is 22720452787. The reversal of 22720452771 is 17725402722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22720452771 - 2⁶ = 22720452707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22720452751) by changing a digit.

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, 3057520 + ... + 3064941.

It is an arithmetic number, because the mean of its divisors is an integer number (3789803978).

Almost surely, 2^22720452771 is an apocalyptic number.

22720452771 is a deficient number, since it is larger than the sum of its proper divisors (7597979053).

22720452771 is a wasteful number, since it uses less digits than its factorization.

22720452771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123701.

The product of its (nonzero) digits is 109760, while the sum is 39.

The spelling of 22720452771 in words is "twenty-two billion, seven hundred twenty million, four hundred fifty-two thousand, seven hundred seventy-one".