224421194 has 4 divisors (see below), whose sum is σ = 336631794. Its totient is φ = 112210596.

The previous prime is 224421187. The next prime is 224421203. The reversal of 224421194 is 491124422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491124422 = 2 ⋅245562211.

It can be written as a sum of positive squares in only one way, i.e., 224250625 + 170569 = 14975^2 + 413^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105297 + ... + 56105300.

Almost surely, 2^224421194 is an apocalyptic number.

224421194 is a deficient number, since it is larger than the sum of its proper divisors (112210600).

224421194 is a wasteful number, since it uses less digits than its factorization.

224421194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112210599.

The product of its digits is 4608, while the sum is 29.

The square root of 224421194 is about 14980.6940426670. The cubic root of 224421194 is about 607.6982087348.

The spelling of 224421194 in words is "two hundred twenty-four million, four hundred twenty-one thousand, one hundred ninety-four".