22431011012 has 24 divisors (see below), whose sum is σ = 42244718040. Its totient is φ = 10382722560.

The previous prime is 22431011011. The next prime is 22431011023. The reversal of 22431011012 is 21011013422.

It can be written as a sum of positive squares in 4 ways, for example, as 204375616 + 22226635396 = 14296^2 + 149086^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22431011011) 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, 2699687 + ... + 2707982.

It is an arithmetic number, because the mean of its divisors is an integer number (1760196585).

Almost surely, 2^22431011012 is an apocalyptic number.

It is an amenable number.

22431011012 is a deficient number, since it is larger than the sum of its proper divisors (19813707028).

22431011012 is a wasteful number, since it uses less digits than its factorization.

22431011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407751 (or 5407749 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22431011012 its reverse (21011013422), we get a palindrome (43442024434).

The spelling of 22431011012 in words is "twenty-two billion, four hundred thirty-one million, eleven thousand, twelve".