21232223214 has 16 divisors (see below), whose sum is σ = 42473011152. Its totient is φ = 7075980288.

The previous prime is 21232223191. The next prime is 21232223261. The reversal of 21232223214 is 41232223212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 324409 + ... + 384324.

It is an arithmetic number, because the mean of its divisors is an integer number (2654563197).

Almost surely, 2^21232223214 is an apocalyptic number.

21232223214 is an abundant number, since it is smaller than the sum of its proper divisors (21240787938).

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

21232223214 is a wasteful number, since it uses less digits than its factorization.

21232223214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713731.

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

Adding to 21232223214 its reverse (41232223212), we get a palindrome (62464446426).

The spelling of 21232223214 in words is "twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred fourteen".