224513202421 has 8 divisors (see below), whose sum is σ = 224738841824. Its totient is φ = 224287645680.

The previous prime is 224513202413. The next prime is 224513202437. The reversal of 224513202421 is 124202315422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224513202421 - 2³ = 224513202413 is a prime.

It is a super-2 number, since 2×224513202421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224513202421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224513202461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6381946 + ... + 6417028.

It is an arithmetic number, because the mean of its divisors is an integer number (28092355228).

Almost surely, 2^224513202421 is an apocalyptic number.

It is an amenable number.

224513202421 is a deficient number, since it is larger than the sum of its proper divisors (225639403).

224513202421 is a wasteful number, since it uses less digits than its factorization.

224513202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41331.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 224513202421 its reverse (124202315422), we get a palindrome (348715517843).

The spelling of 224513202421 in words is "two hundred twenty-four billion, five hundred thirteen million, two hundred two thousand, four hundred twenty-one".