224770389 has 4 divisors (see below), whose sum is σ = 299693856. Its totient is φ = 149846924.

The previous prime is 224770339. The next prime is 224770433. The reversal of 224770389 is 983077422.

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 224770389 - 2⁷ = 224770261 is a prime.

It is a super-2 number, since 2×224770389² = 101043455542422642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224770389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224770319) 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, 37461729 + ... + 37461734.

It is an arithmetic number, because the mean of its divisors is an integer number (74923464).

Almost surely, 2^224770389 is an apocalyptic number.

It is an amenable number.

224770389 is a deficient number, since it is larger than the sum of its proper divisors (74923467).

224770389 is an equidigital number, since it uses as much as digits as its factorization.

224770389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74923466.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 224770389 is about 14992.3443463656. The cubic root of 224770389 is about 608.0132342528.

The spelling of 224770389 in words is "two hundred twenty-four million, seven hundred seventy thousand, three hundred eighty-nine".