224566642 has 4 divisors (see below), whose sum is σ = 336849966. Its totient is φ = 112283320.

The previous prime is 224566637. The next prime is 224566649. The reversal of 224566642 is 246665422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 99820081 = 11169^2 + 9991^2 .

It is not an unprimeable number, because it can be changed into a prime (224566649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56141659 + ... + 56141662.

Almost surely, 2^224566642 is an apocalyptic number.

224566642 is a deficient number, since it is larger than the sum of its proper divisors (112283324).

224566642 is a wasteful number, since it uses less digits than its factorization.

224566642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112283323.

The product of its digits is 138240, while the sum is 37.

The square root of 224566642 is about 14985.5477711027. The cubic root of 224566642 is about 607.8294640164.

The spelling of 224566642 in words is "two hundred twenty-four million, five hundred sixty-six thousand, six hundred forty-two".