224020402 has 4 divisors (see below), whose sum is σ = 336030606. Its totient is φ = 112010200.

The previous prime is 224020361. The next prime is 224020409. The reversal of 224020402 is 204020422.

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., 128391561 + 95628841 = 11331^2 + 9779^2 .

It is not an unprimeable number, because it can be changed into a prime (224020409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005099 + ... + 56005102.

Almost surely, 2^224020402 is an apocalyptic number.

224020402 is a deficient number, since it is larger than the sum of its proper divisors (112010204).

224020402 is a wasteful number, since it uses less digits than its factorization.

224020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112010203.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 224020402 is about 14967.3111145590. The cubic root of 224020402 is about 607.3362320559.

Adding to 224020402 its reverse (204020422), we get a palindrome (428040824).

It can be divided in two parts, 224020 and 402, that added together give a palindrome (224422).

The spelling of 224020402 in words is "two hundred twenty-four million, twenty thousand, four hundred two".