22256432011 has 32 divisors (see below), whose sum is σ = 26976499200. Its totient is φ = 18112596480.

The previous prime is 22256431997. The next prime is 22256432047. The reversal of 22256432011 is 11023465222.

It is a de Polignac number, because none of the positive numbers 2^k-22256432011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22256432111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755425 + ... + 784333.

It is an arithmetic number, because the mean of its divisors is an integer number (843015600).

Almost surely, 2^22256432011 is an apocalyptic number.

22256432011 is a deficient number, since it is larger than the sum of its proper divisors (4720067189).

22256432011 is a wasteful number, since it uses less digits than its factorization.

22256432011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29139.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 22256432011 its reverse (11023465222), we get a palindrome (33279897233).

The spelling of 22256432011 in words is "twenty-two billion, two hundred fifty-six million, four hundred thirty-two thousand, eleven".