224204002421 has 32 divisors (see below), whose sum is σ = 267724297728. Its totient is φ = 183753722880.

The previous prime is 224204002411. The next prime is 224204002433. The reversal of 224204002421 is 124200402422.

224204002421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224204002421 - 2²² = 224199808117 is a prime.

It is a super-2 number, since 2×224204002421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224204002411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5736281 + ... + 5775233.

It is an arithmetic number, because the mean of its divisors is an integer number (8366384304).

Almost surely, 2^224204002421 is an apocalyptic number.

It is an amenable number.

224204002421 is a deficient number, since it is larger than the sum of its proper divisors (43520295307).

224204002421 is a wasteful number, since it uses less digits than its factorization.

224204002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39381.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 224204002421 its reverse (124200402422), we get a palindrome (348404404843).

The spelling of 224204002421 in words is "two hundred twenty-four billion, two hundred four million, two thousand, four hundred twenty-one".