224778241 has 8 divisors (see below), whose sum is σ = 242118144. Its totient is φ = 208068960.

The previous prime is 224778221. The next prime is 224778251. The reversal of 224778241 is 142877422.

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

It is a cyclic number.

It is not a de Polignac number, because 224778241 - 2²¹ = 222681089 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 224778241.

It is not an unprimeable number, because it can be changed into a prime (224778221) 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, 156916 + ... + 158341.

It is an arithmetic number, because the mean of its divisors is an integer number (30264768).

Almost surely, 2^224778241 is an apocalyptic number.

It is an amenable number.

224778241 is a deficient number, since it is larger than the sum of its proper divisors (17339903).

224778241 is a wasteful number, since it uses less digits than its factorization.

224778241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315311.

The product of its digits is 50176, while the sum is 37.

The square root of 224778241 is about 14992.6062110628. The cubic root of 224778241 is about 608.0203141657.

The spelling of 224778241 in words is "two hundred twenty-four million, seven hundred seventy-eight thousand, two hundred forty-one".