224404442 has 4 divisors (see below), whose sum is σ = 336606666. Its totient is φ = 112202220.

The previous prime is 224404417. The next prime is 224404463. The reversal of 224404442 is 244404422.

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., 215766721 + 8637721 = 14689^2 + 2939^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56101109 + ... + 56101112.

Almost surely, 2^224404442 is an apocalyptic number.

224404442 is a deficient number, since it is larger than the sum of its proper divisors (112202224).

224404442 is a wasteful number, since it uses less digits than its factorization.

224404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112202223.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 224404442 is about 14980.1349126101. The cubic root of 224404442 is about 607.6830877422.

Adding to 224404442 its reverse (244404422), we get a palindrome (468808864).

The spelling of 224404442 in words is "two hundred twenty-four million, four hundred four thousand, four hundred forty-two".