224812906 has 4 divisors (see below), whose sum is σ = 337219362. Its totient is φ = 112406452.

The previous prime is 224812873. The next prime is 224812943. The reversal of 224812906 is 609218422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609218422 = 2 ⋅304609211.

It can be written as a sum of positive squares in only one way, i.e., 132825625 + 91987281 = 11525^2 + 9591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56203225 + ... + 56203228.

Almost surely, 2^224812906 is an apocalyptic number.

224812906 is a deficient number, since it is larger than the sum of its proper divisors (112406456).

224812906 is a wasteful number, since it uses less digits than its factorization.

224812906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112406455.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 224812906 is about 14993.7622363435. The cubic root of 224812906 is about 608.0515685859.

The spelling of 224812906 in words is "two hundred twenty-four million, eight hundred twelve thousand, nine hundred six".