21314435322 has 32 divisors (see below), whose sum is σ = 42843686400. Its totient is φ = 7069073408.

The previous prime is 21314435269. The next prime is 21314435333. The reversal of 21314435322 is 22353441312.

It is a self number, because there is not a number n which added to its sum of digits gives 21314435322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425079 + ... + 1439957.

It is an arithmetic number, because the mean of its divisors is an integer number (1338865200).

Almost surely, 2^21314435322 is an apocalyptic number.

21314435322 is an abundant number, since it is smaller than the sum of its proper divisors (21529251078).

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

21314435322 is a wasteful number, since it uses less digits than its factorization.

21314435322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070.

The product of its digits is 17280, while the sum is 30.

Adding to 21314435322 its reverse (22353441312), we get a palindrome (43667876634).

The spelling of 21314435322 in words is "twenty-one billion, three hundred fourteen million, four hundred thirty-five thousand, three hundred twenty-two".