22000421440001 has 16 divisors (see below), whose sum is σ = 23314772194560. Its totient is φ = 20724239880960.

The previous prime is 22000421439991. The next prime is 22000421440027. The reversal of 22000421440001 is 10004412400022.

It is a cyclic number.

It is not a de Polignac number, because 22000421440001 - 2¹⁰ = 22000421438977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000421440031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8914265 + ... + 11111478.

It is an arithmetic number, because the mean of its divisors is an integer number (1457173262160).

Almost surely, 2^{22000421440001} is an apocalyptic number.

It is an amenable number.

22000421440001 is a deficient number, since it is larger than the sum of its proper divisors (1314350754559).

22000421440001 is a wasteful number, since it uses less digits than its factorization.

22000421440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026696.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22000421440001 its reverse (10004412400022), we get a palindrome (32004833840023).

The spelling of 22000421440001 in words is "twenty-two trillion, four hundred twenty-one million, four hundred forty thousand, one".