224220402 has 48 divisors (see below), whose sum is σ = 574367040. Its totient is φ = 61852896.

The previous prime is 224220341. The next prime is 224220419. The reversal of 224220402 is 204022422.

224220402 is a `hidden beast` number, since 2 + 242 + 20 + 402 = 666.

224220402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27028 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (11965980).

Almost surely, 2^224220402 is an apocalyptic number.

224220402 is an abundant number, since it is smaller than the sum of its proper divisors (350146638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224220402 is a wasteful number, since it uses less digits than its factorization.

224220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61407 (or 61404 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 224220402 is about 14973.9908508053. The cubic root of 224220402 is about 607.5169166655.

Adding to 224220402 its reverse (204022422), we get a palindrome (428242824).

The spelling of 224220402 in words is "two hundred twenty-four million, two hundred twenty thousand, four hundred two".