22201430231421 has 24 divisors (see below), whose sum is σ = 36653786484224. Its totient is φ = 12685213954080.

The previous prime is 22201430231401. The next prime is 22201430231423. The reversal of 22201430231421 is 12413203410222.

22201430231421 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 1 + 4 + 3 + 0 + 231 + 421 = 666.

It is not a de Polignac number, because 22201430231421 - 2⁷ = 22201430231293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201430231423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17688526 + ... + 18902031.

Almost surely, 2^{22201430231421} is an apocalyptic number.

22201430231421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22201430231421 is a deficient number, since it is larger than the sum of its proper divisors (14452356252803).

22201430231421 is a wasteful number, since it uses less digits than its factorization.

22201430231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36600201 (or 36600198 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22201430231421 its reverse (12413203410222), we get a palindrome (34614633641643).

The spelling of 22201430231421 in words is "twenty-two trillion, two hundred one billion, four hundred thirty million, two hundred thirty-one thousand, four hundred twenty-one".