224630637237221 has 4 divisors (see below), whose sum is σ = 224640835227072. Its totient is φ = 224620439247372.

The previous prime is 224630637237197. The next prime is 224630637237239. The reversal of 224630637237221 is 122732736036422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224630637237221 - 2¹⁴ = 224630637220837 is a prime.

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 224630637237221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224630637237821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098961885 + ... + 5099005938.

It is an arithmetic number, because the mean of its divisors is an integer number (56160208806768).

Almost surely, 2^{224630637237221} is an apocalyptic number.

It is an amenable number.

224630637237221 is a deficient number, since it is larger than the sum of its proper divisors (10197989851).

224630637237221 is a wasteful number, since it uses less digits than its factorization.

224630637237221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197989850.

The product of its (nonzero) digits is 6096384, while the sum is 50.

The spelling of 224630637237221 in words is "two hundred twenty-four trillion, six hundred thirty billion, six hundred thirty-seven million, two hundred thirty-seven thousand, two hundred twenty-one".