22004434011 has 8 divisors (see below), whose sum is σ = 33530566144. Its totient is φ = 12573962280.

The previous prime is 22004434003. The next prime is 22004434037. The reversal of 22004434011 is 11043440022.

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

It is not a de Polignac number, because 22004434011 - 2³ = 22004434003 is a prime.

It is a super-2 number, since 2×22004434011² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1047830191 = 22004434011 / (2 + 2 + 0 + 0 + 4 + 4 + 3 + 4 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22004434511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523915075 + ... + 523915116.

It is an arithmetic number, because the mean of its divisors is an integer number (4191320768).

Almost surely, 2^22004434011 is an apocalyptic number.

22004434011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22004434011 is a deficient number, since it is larger than the sum of its proper divisors (11526132133).

22004434011 is a wasteful number, since it uses less digits than its factorization.

22004434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047830201.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22004434011 its reverse (11043440022), we get a palindrome (33047874033).

The spelling of 22004434011 in words is "twenty-two billion, four million, four hundred thirty-four thousand, eleven".