224204561 has 8 divisors (see below), whose sum is σ = 257147904. Its totient is φ = 191489760.

The previous prime is 224204557. The next prime is 224204587. The reversal of 224204561 is 165402422.

224204561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224204561 - 2² = 224204557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224204561.

It is not an unprimeable number, because it can be changed into a prime (224204501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55025 + ... + 58958.

It is an arithmetic number, because the mean of its divisors is an integer number (32143488).

Almost surely, 2^224204561 is an apocalyptic number.

It is an amenable number.

224204561 is a deficient number, since it is larger than the sum of its proper divisors (32943343).

224204561 is a wasteful number, since it uses less digits than its factorization.

224204561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114271.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 224204561 is about 14973.4618909590. The cubic root of 224204561 is about 607.5026094600.

Adding to 224204561 its reverse (165402422), we get a palindrome (389606983).

The spelling of 224204561 in words is "two hundred twenty-four million, two hundred four thousand, five hundred sixty-one".