227861479 has 4 divisors (see below), whose sum is σ = 229312984. Its totient is φ = 226409976.

The previous prime is 227861419. The next prime is 227861519. The reversal of 227861479 is 974168722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 227861479 - 2⁹ = 227860967 is a prime.

It is a super-2 number, since 2×227861479² = 103841707224134882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227861419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725517 + ... + 725830.

It is an arithmetic number, because the mean of its divisors is an integer number (57328246).

Almost surely, 2^227861479 is an apocalyptic number.

227861479 is a deficient number, since it is larger than the sum of its proper divisors (1451505).

227861479 is a wasteful number, since it uses less digits than its factorization.

227861479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451504.

The product of its digits is 338688, while the sum is 46.

The square root of 227861479 is about 15095.0812849749. The cubic root of 227861479 is about 610.7877299672.

The spelling of 227861479 in words is "two hundred twenty-seven million, eight hundred sixty-one thousand, four hundred seventy-nine".