224445402 has 12 divisors (see below), whose sum is σ = 486298410. Its totient is φ = 74815128.

The previous prime is 224445383. The next prime is 224445421. The reversal of 224445402 is 204544422.

224445402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (224445383) and next prime (224445421).

It can be written as a sum of positive squares in only one way, i.e., 222039801 + 2405601 = 14901^2 + 1551^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6234577 + ... + 6234612.

Almost surely, 2^224445402 is an apocalyptic number.

224445402 is an abundant number, since it is smaller than the sum of its proper divisors (261853008).

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

224445402 is a wasteful number, since it uses less digits than its factorization.

224445402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469197 (or 12469194 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 224445402 is about 14981.5019941260. The cubic root of 224445402 is about 607.7200584676.

Adding to 224445402 its reverse (204544422), we get a palindrome (428989824).

The spelling of 224445402 in words is "two hundred twenty-four million, four hundred forty-five thousand, four hundred two".