224422993 has 4 divisors (see below), whose sum is σ = 224944128. Its totient is φ = 223901860.

The previous prime is 224422973. The next prime is 224422997. The reversal of 224422993 is 399224422.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 399224422 = 2 ⋅199612211.

It is a cyclic number.

It is not a de Polignac number, because 224422993 - 2⁹ = 224422481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224422997) 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, 259921 + ... + 260782.

It is an arithmetic number, because the mean of its divisors is an integer number (56236032).

Almost surely, 2^224422993 is an apocalyptic number.

It is an amenable number.

224422993 is a deficient number, since it is larger than the sum of its proper divisors (521135).

224422993 is an equidigital number, since it uses as much as digits as its factorization.

224422993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521134.

The product of its digits is 62208, while the sum is 37.

The square root of 224422993 is about 14980.7540864938. The cubic root of 224422993 is about 607.6998325360.

The spelling of 224422993 in words is "two hundred twenty-four million, four hundred twenty-two thousand, nine hundred ninety-three".