224979386 has 4 divisors (see below), whose sum is σ = 337469082. Its totient is φ = 112489692.

The previous prime is 224979371. The next prime is 224979389. The reversal of 224979386 is 683979422.

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., 165920161 + 59059225 = 12881^2 + 7685^2 .

It is not an unprimeable number, because it can be changed into a prime (224979389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56244845 + ... + 56244848.

Almost surely, 2^224979386 is an apocalyptic number.

224979386 is a deficient number, since it is larger than the sum of its proper divisors (112489696).

224979386 is a wasteful number, since it uses less digits than its factorization.

224979386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112489695.

The product of its digits is 1306368, while the sum is 50.

The square root of 224979386 is about 14999.3128509275. The cubic root of 224979386 is about 608.2016243957.

The spelling of 224979386 in words is "two hundred twenty-four million, nine hundred seventy-nine thousand, three hundred eighty-six".