202224041421 has 16 divisors (see below), whose sum is σ = 288959385984. Its totient is φ = 125469203904.

The previous prime is 202224041401. The next prime is 202224041423. The reversal of 202224041421 is 124140422202.

It is a happy number.

It is not a de Polignac number, because 202224041421 - 2⁵ = 202224041389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202224041391 and 202224041400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202224041423) 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, 39602626 + ... + 39607731.

It is an arithmetic number, because the mean of its divisors is an integer number (18059961624).

Almost surely, 2^202224041421 is an apocalyptic number.

It is an amenable number.

202224041421 is a deficient number, since it is larger than the sum of its proper divisors (86735344563).

202224041421 is a wasteful number, since it uses less digits than its factorization.

202224041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79210420.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202224041421 its reverse (124140422202), we get a palindrome (326364463623).

The spelling of 202224041421 in words is "two hundred two billion, two hundred twenty-four million, forty-one thousand, four hundred twenty-one".