224213839 has 4 divisors (see below), whose sum is σ = 226433880. Its totient is φ = 221993800.

The previous prime is 224213831. The next prime is 224213849. The reversal of 224213839 is 938312422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224213839 - 2³ = 224213831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224213831) 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, 1109869 + ... + 1110070.

It is an arithmetic number, because the mean of its divisors is an integer number (56608470).

Almost surely, 2^224213839 is an apocalyptic number.

224213839 is a deficient number, since it is larger than the sum of its proper divisors (2220041).

224213839 is a wasteful number, since it uses less digits than its factorization.

224213839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220040.

The product of its digits is 20736, while the sum is 34.

The square root of 224213839 is about 14973.7717025471. The cubic root of 224213839 is about 607.5109892055.

The spelling of 224213839 in words is "two hundred twenty-four million, two hundred thirteen thousand, eight hundred thirty-nine".