22421433165416 has 8 divisors (see below), whose sum is σ = 42040187185170. Its totient is φ = 11210716582704.

The previous prime is 22421433165377. The next prime is 22421433165529. The reversal of 22421433165416 is 61456133412422.

It can be written as a sum of positive squares in only one way, i.e., 11581838304100 + 10839594861316 = 3403210^2 + 3292354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401339572831 + ... + 1401339572846.

Almost surely, 2^{22421433165416} is an apocalyptic number.

It is an amenable number.

22421433165416 is a deficient number, since it is larger than the sum of its proper divisors (19618754019754).

22421433165416 is a wasteful number, since it uses less digits than its factorization.

22421433165416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802679145683 (or 2802679145679 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

Adding to 22421433165416 its reverse (61456133412422), we get a palindrome (83877566577838).

The spelling of 22421433165416 in words is "twenty-two trillion, four hundred twenty-one billion, four hundred thirty-three million, one hundred sixty-five thousand, four hundred sixteen".