22056016811 has 4 divisors (see below), whose sum is σ = 22060476624. Its totient is φ = 22051557000.

The previous prime is 22056016799. The next prime is 22056016823. The reversal of 22056016811 is 11861065022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22056016799) and next prime (22056016823).

It is a cyclic number.

It is not a de Polignac number, because 22056016811 - 2²⁶ = 21988907947 is a prime.

It is a super-2 number, since 2×22056016811² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22056016511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222480 + ... + 2232381.

It is an arithmetic number, because the mean of its divisors is an integer number (5515119156).

Almost surely, 2^22056016811 is an apocalyptic number.

22056016811 is a deficient number, since it is larger than the sum of its proper divisors (4459813).

22056016811 is an equidigital number, since it uses as much as digits as its factorization.

22056016811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459812.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 22056016811 in words is "twenty-two billion, fifty-six million, sixteen thousand, eight hundred eleven".