224402378 has 4 divisors (see below), whose sum is σ = 336603570. Its totient is φ = 112201188.

The previous prime is 224402359. The next prime is 224402401. The reversal of 224402378 is 873204422.

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., 184497889 + 39904489 = 13583^2 + 6317^2 .

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, 56100593 + ... + 56100596.

Almost surely, 2^224402378 is an apocalyptic number.

224402378 is a deficient number, since it is larger than the sum of its proper divisors (112201192).

224402378 is a wasteful number, since it uses less digits than its factorization.

224402378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112201191.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 224402378 is about 14980.0660212163. The cubic root of 224402378 is about 607.6812246451.

The spelling of 224402378 in words is "two hundred twenty-four million, four hundred two thousand, three hundred seventy-eight".