224855397 has 12 divisors (see below), whose sum is σ = 349775244. Its totient is φ = 138372480.

The previous prime is 224855359. The next prime is 224855419. The reversal of 224855397 is 793558422.

224855397 is a `hidden beast` number, since 2 + 2 + 4 + 8 + 553 + 97 = 666.

224855397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29582721 + 195272676 = 5439^2 + 13974^2 .

It is not a de Polignac number, because 224855397 - 2¹⁵ = 224822629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224855317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960804 + ... + 961037.

It is an arithmetic number, because the mean of its divisors is an integer number (29147937).

Almost surely, 2^224855397 is an apocalyptic number.

It is an amenable number.

224855397 is a deficient number, since it is larger than the sum of its proper divisors (124919847).

224855397 is a wasteful number, since it uses less digits than its factorization.

224855397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921860 (or 1921857 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 224855397 is about 14995.1791253056. The cubic root of 224855397 is about 608.0898746483.

The spelling of 224855397 in words is "two hundred twenty-four million, eight hundred fifty-five thousand, three hundred ninety-seven".