21322422312 has 48 divisors (see below), whose sum is σ = 56626174560. Its totient is φ = 6689385216.

The previous prime is 21322422311. The next prime is 21322422361.

21322422312 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21322422311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530148 + ... + 1544019.

It is an arithmetic number, because the mean of its divisors is an integer number (1179711970).

Almost surely, 2^21322422312 is an apocalyptic number.

It is an amenable number.

21322422312 is an abundant number, since it is smaller than the sum of its proper divisors (35303752248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21322422312 is a wasteful number, since it uses less digits than its factorization.

21322422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074210 (or 3074189 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The spelling of 21322422312 in words is "twenty-one billion, three hundred twenty-two million, four hundred twenty-two thousand, three hundred twelve".