21622203141641 has 16 divisors (see below), whose sum is σ = 23377153647744. Its totient is φ = 19945050580224.

The previous prime is 21622203141631. The next prime is 21622203141647. The reversal of 21622203141641 is 14614130222612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21622203141641 - 2¹⁰ = 21622203140617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21622203141647) 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, 112328591 + ... + 112520916.

It is an arithmetic number, because the mean of its divisors is an integer number (1461072102984).

Almost surely, 2^{21622203141641} is an apocalyptic number.

It is an amenable number.

21622203141641 is a deficient number, since it is larger than the sum of its proper divisors (1754950506103).

21622203141641 is a wasteful number, since it uses less digits than its factorization.

21622203141641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224849680.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 21622203141641 in words is "twenty-one trillion, six hundred twenty-two billion, two hundred three million, one hundred forty-one thousand, six hundred forty-one".