21734034224 has 40 divisors (see below), whose sum is σ = 49784864160. Its totient is φ = 8993392128.

The previous prime is 21734034221. The next prime is 21734034227. The reversal of 21734034224 is 42243043712.

It is an interprime number because it is at equal distance from previous prime (21734034221) and next prime (21734034227).

It is not an unprimeable number, because it can be changed into a prime (21734034221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342509 + ... + 3349004.

It is an arithmetic number, because the mean of its divisors is an integer number (1244621604).

Almost surely, 2^21734034224 is an apocalyptic number.

It is an amenable number.

21734034224 is an abundant number, since it is smaller than the sum of its proper divisors (28050829936).

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

21734034224 is a wasteful number, since it uses less digits than its factorization.

21734034224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691557 (or 6691551 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 21734034224 its reverse (42243043712), we get a palindrome (63977077936).

The spelling of 21734034224 in words is "twenty-one billion, seven hundred thirty-four million, thirty-four thousand, two hundred twenty-four".