21422414241 has 6 divisors (see below), whose sum is σ = 30943487250. Its totient is φ = 14281609488.

The previous prime is 21422414239. The next prime is 21422414249. The reversal of 21422414241 is 14241422412.

21422414241 is a `hidden beast` number, since 2 + 1 + 4 + 2 + 2 + 414 + 241 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15811805025 + 5610609216 = 125745^2 + 74904^2 .

It is not a de Polignac number, because 21422414241 - 2¹ = 21422414239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21422414249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1190134116 + ... + 1190134133.

It is an arithmetic number, because the mean of its divisors is an integer number (5157247875).

Almost surely, 2^21422414241 is an apocalyptic number.

It is an amenable number.

21422414241 is a deficient number, since it is larger than the sum of its proper divisors (9521073009).

21422414241 is a wasteful number, since it uses less digits than its factorization.

21422414241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380268255 (or 2380268252 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 21422414241 its reverse (14241422412), we get a palindrome (35663836653).

The spelling of 21422414241 in words is "twenty-one billion, four hundred twenty-two million, four hundred fourteen thousand, two hundred forty-one".