21223314342 has 12 divisors (see below), whose sum is σ = 45983847780. Its totient is φ = 7074438108.

The previous prime is 21223314341. The next prime is 21223314353. The reversal of 21223314342 is 24341332212.

21223314342 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 3 + 314 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223314341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589536492 + ... + 589536527.

It is an arithmetic number, because the mean of its divisors is an integer number (3831987315).

Almost surely, 2^21223314342 is an apocalyptic number.

21223314342 is an abundant number, since it is smaller than the sum of its proper divisors (24760533438).

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

21223314342 is a wasteful number, since it uses less digits than its factorization.

21223314342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179073027 (or 1179073024 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 21223314342 its reverse (24341332212), we get a palindrome (45564646554).

The spelling of 21223314342 in words is "twenty-one billion, two hundred twenty-three million, three hundred fourteen thousand, three hundred forty-two".