224146402 has 8 divisors (see below), whose sum is σ = 337470300. Its totient is φ = 111656304.

The previous prime is 224146387. The next prime is 224146409. The reversal of 224146402 is 204641422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164378041 + 59768361 = 12821^2 + 7731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (224146409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207777 + ... + 208852.

Almost surely, 2^224146402 is an apocalyptic number.

224146402 is a deficient number, since it is larger than the sum of its proper divisors (113323898).

224146402 is a wasteful number, since it uses less digits than its factorization.

224146402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416900.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 224146402 is about 14971.5196957423. The cubic root of 224146402 is about 607.4500758874.

Adding to 224146402 its reverse (204641422), we get a palindrome (428787824).

The spelling of 224146402 in words is "two hundred twenty-four million, one hundred forty-six thousand, four hundred two".