224302411221 has 24 divisors (see below), whose sum is σ = 349819745184. Its totient is φ = 127464654240.

The previous prime is 224302411217. The next prime is 224302411271. The reversal of 224302411221 is 122114203422.

It is not a de Polignac number, because 224302411221 - 2² = 224302411217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224302411191 and 224302411200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224302411271) 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, 4188495 + ... + 4241708.

It is an arithmetic number, because the mean of its divisors is an integer number (14575822716).

Almost surely, 2^224302411221 is an apocalyptic number.

224302411221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224302411221 is a deficient number, since it is larger than the sum of its proper divisors (125517333963).

224302411221 is a wasteful number, since it uses less digits than its factorization.

224302411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430401 (or 8430394 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 224302411221 its reverse (122114203422), we get a palindrome (346416614643).

The spelling of 224302411221 in words is "two hundred twenty-four billion, three hundred two million, four hundred eleven thousand, two hundred twenty-one".