224157442 has 8 divisors (see below), whose sum is σ = 336398796. Its totient is φ = 112024512.

The previous prime is 224157419. The next prime is 224157457. The reversal of 224157442 is 244751422.

224157442 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 219365721 + 4791721 = 14811^2 + 2189^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723 + ... + 30334.

Almost surely, 2^224157442 is an apocalyptic number.

224157442 is a deficient number, since it is larger than the sum of its proper divisors (112241354).

224157442 is a wasteful number, since it uses less digits than its factorization.

224157442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54212.

The product of its digits is 17920, while the sum is 31.

The square root of 224157442 is about 14971.8883912484. Note that the first 3 decimals coincide. The cubic root of 224157442 is about 607.4600487425.

The spelling of 224157442 in words is "two hundred twenty-four million, one hundred fifty-seven thousand, four hundred forty-two".