21230233022 has 16 divisors (see below), whose sum is σ = 32389971120. Its totient is φ = 10433630208.

The previous prime is 21230232967. The next prime is 21230233061. The reversal of 21230233022 is 22033203212.

It is a junction number, because it is equal to n+sod(n) for n = 21230232985 and 21230233003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382048 + ... + 1397324.

It is an arithmetic number, because the mean of its divisors is an integer number (2024373195).

Almost surely, 2^21230233022 is an apocalyptic number.

21230233022 is a deficient number, since it is larger than the sum of its proper divisors (11159738098).

21230233022 is a wasteful number, since it uses less digits than its factorization.

21230233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21230233022 its reverse (22033203212), we get a palindrome (43263436234).

The spelling of 21230233022 in words is "twenty-one billion, two hundred thirty million, two hundred thirty-three thousand, twenty-two".