224400442 has 16 divisors (see below), whose sum is σ = 407315520. Its totient is φ = 90514368.

The previous prime is 224400437. The next prime is 224400461. The reversal of 224400442 is 244004422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471192 + ... + 471667.

It is an arithmetic number, because the mean of its divisors is an integer number (25457220).

Almost surely, 2^224400442 is an apocalyptic number.

224400442 is a deficient number, since it is larger than the sum of its proper divisors (182915078).

224400442 is a wasteful number, since it uses less digits than its factorization.

224400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942885.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224400442 is about 14980.0014018691. The cubic root of 224400442 is about 607.6794770786.

Adding to 224400442 its reverse (244004422), we get a palindrome (468404864).

It can be divided in two parts, 2 and 24400442, that multiplied together give a palindrome (48800884).

The spelling of 224400442 in words is "two hundred twenty-four million, four hundred thousand, four hundred forty-two".