224561236 has 12 divisors (see below), whose sum is σ = 410068512. Its totient is φ = 107398808.

The previous prime is 224561219. The next prime is 224561237. The reversal of 224561236 is 632165422.

It is a junction number, because it is equal to n+sod(n) for n = 224561198 and 224561207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224561237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220350 + ... + 1220533.

It is an arithmetic number, because the mean of its divisors is an integer number (34172376).

Almost surely, 2^224561236 is an apocalyptic number.

It is an amenable number.

224561236 is a deficient number, since it is larger than the sum of its proper divisors (185507276).

224561236 is a wasteful number, since it uses less digits than its factorization.

224561236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440910 (or 2440908 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 224561236 is about 14985.3673962302. The cubic root of 224561236 is about 607.8245865445.

The spelling of 224561236 in words is "two hundred twenty-four million, five hundred sixty-one thousand, two hundred thirty-six".