21434225232232 has 32 divisors (see below), whose sum is σ = 42624011710080. Its totient is φ = 10083099533760.

The previous prime is 21434225232227. The next prime is 21434225232281. The reversal of 21434225232232 is 23223252243412.

It is a super-2 number, since 2×21434225232232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21434225232191 and 21434225232200.

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, 954827748 + ... + 954850195.

It is an arithmetic number, because the mean of its divisors is an integer number (1332000365940).

Almost surely, 2^{21434225232232} is an apocalyptic number.

It is an amenable number.

21434225232232 is a deficient number, since it is larger than the sum of its proper divisors (21189786477848).

21434225232232 is a wasteful number, since it uses less digits than its factorization.

21434225232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909678033 (or 1909678029 counting only the distinct ones).

The product of its digits is 276480, while the sum is 37.

Adding to 21434225232232 its reverse (23223252243412), we get a palindrome (44657477475644).

The spelling of 21434225232232 in words is "twenty-one trillion, four hundred thirty-four billion, two hundred twenty-five million, two hundred thirty-two thousand, two hundred thirty-two".