224491838 has 4 divisors (see below), whose sum is σ = 336737760. Its totient is φ = 112245918.

The previous prime is 224491831. The next prime is 224491867. The reversal of 224491838 is 838194422.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224491795 and 224491804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224491831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56122958 + ... + 56122961.

It is an arithmetic number, because the mean of its divisors is an integer number (84184440).

Almost surely, 2^224491838 is an apocalyptic number.

224491838 is a deficient number, since it is larger than the sum of its proper divisors (112245922).

224491838 is a wasteful number, since it uses less digits than its factorization.

224491838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112245921.

The product of its digits is 110592, while the sum is 41.

The square root of 224491838 is about 14983.0516918283. The cubic root of 224491838 is about 607.7619664215.

The spelling of 224491838 in words is "two hundred twenty-four million, four hundred ninety-one thousand, eight hundred thirty-eight".