224261439 has 4 divisors (see below), whose sum is σ = 299015256. Its totient is φ = 149507624.

The previous prime is 224261423. The next prime is 224261441. The reversal of 224261439 is 934162422.

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 224261439 - 2⁴ = 224261423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224261449) 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, 37376904 + ... + 37376909.

It is an arithmetic number, because the mean of its divisors is an integer number (74753814).

Almost surely, 2^224261439 is an apocalyptic number.

224261439 is a deficient number, since it is larger than the sum of its proper divisors (74753817).

224261439 is an equidigital number, since it uses as much as digits as its factorization.

224261439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74753816.

The product of its digits is 20736, while the sum is 33.

The square root of 224261439 is about 14975.3610640946. The cubic root of 224261439 is about 607.5539771511.

The spelling of 224261439 in words is "two hundred twenty-four million, two hundred sixty-one thousand, four hundred thirty-nine".