227447842 has 4 divisors (see below), whose sum is σ = 341171766. Its totient is φ = 113723920.

The previous prime is 227447819. The next prime is 227447893. The reversal of 227447842 is 248744722.

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., 114896961 + 112550881 = 10719^2 + 10609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227447795 and 227447804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56861959 + ... + 56861962.

Almost surely, 2^227447842 is an apocalyptic number.

227447842 is a deficient number, since it is larger than the sum of its proper divisors (113723924).

227447842 is a wasteful number, since it uses less digits than its factorization.

227447842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113723923.

The product of its digits is 200704, while the sum is 40.

The square root of 227447842 is about 15081.3740090219. The cubic root of 227447842 is about 610.4179183973.

The spelling of 227447842 in words is "two hundred twenty-seven million, four hundred forty-seven thousand, eight hundred forty-two".