22016315603450 has 48 divisors (see below), whose sum is σ = 48065272209024. Its totient is φ = 7344438868800.

The previous prime is 22016315603437. The next prime is 22016315603519. The reversal of 22016315603450 is 5430651361022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850037846 + ... + 850063745.

It is an arithmetic number, because the mean of its divisors is an integer number (1001359837688).

Almost surely, 2^{22016315603450} is an apocalyptic number.

22016315603450 is an abundant number, since it is smaller than the sum of its proper divisors (26048956605574).

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

22016315603450 is a wasteful number, since it uses less digits than its factorization.

22016315603450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700101647 (or 1700101642 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 22016315603450 its reverse (5430651361022), we get a palindrome (27446966964472).

The spelling of 22016315603450 in words is "twenty-two trillion, sixteen billion, three hundred fifteen million, six hundred three thousand, four hundred fifty".