22071440223 has 16 divisors (see below), whose sum is σ = 37369634560. Its totient is φ = 12612251448.

The previous prime is 22071440219. The next prime is 22071440239. The reversal of 22071440223 is 32204417022.

22071440223 is a `hidden beast` number, since 220 + 7 + 14 + 402 + 23 = 666.

It is not a de Polignac number, because 22071440223 - 2² = 22071440219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071440273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58389865 + ... + 58390242.

It is an arithmetic number, because the mean of its divisors is an integer number (2335602160).

Almost surely, 2^22071440223 is an apocalyptic number.

22071440223 is a deficient number, since it is larger than the sum of its proper divisors (15298194337).

22071440223 is a wasteful number, since it uses less digits than its factorization.

22071440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116780123 (or 116780117 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 22071440223 its reverse (32204417022), we get a palindrome (54275857245).

The spelling of 22071440223 in words is "twenty-two billion, seventy-one million, four hundred forty thousand, two hundred twenty-three".